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Transcript of 100 200 300 400 500 100 200 300 400 500 100 200 300 ExponentialsModels Logarithms Compositions and...
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Systems
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End RoundTheme Final Jeopardy
Exponentials 100 PointsExponentials 100 PointsExponentials 100 PointsExponentials 100 Points
25 = x
Exponentials 100 PointsExponentials 100 PointsExponentials 100 PointsExponentials 100 Points
X = 32
Exponentials 200 PointsExponentials 200 PointsExponentials 200 PointsExponentials 200 Points
X0 = ?
Exponentials 200 PointsExponentials 200 PointsExponentials 200 PointsExponentials 200 Points
X0 = 1
Exponentials 300 PointsExponentials 300 PointsExponentials 300 PointsExponentials 300 Points
Who is “e” named after and what type of number
is it?
Exponentials 300 PointsExponentials 300 PointsExponentials 300 PointsExponentials 300 Points
Euler, irrational
Exponentials 400 PointsExponentials 400 PointsExponentials 400 PointsExponentials 400 Points
Sketch f(x) = ex, and identify its intercepts, asymptotes (if any), and domain and range.
Exponentials 400 PointsExponentials 400 PointsExponentials 400 PointsExponentials 400 Points
Intercepts:X-int: none Y-int:
(0,1)Asymptotes: y = 0D: all real #’sR: y>0
Exponentials 500 PointsExponentials 500 PointsExponentials 500 PointsExponentials 500 Points
Sketch a graph of the following function:
f(x) = -2f(x) = -2xx +3 +3
Exponentials 500 PointsExponentials 500 PointsExponentials 500 PointsExponentials 500 Points
Logarithms 100 PointsLogarithms 100 PointsLogarithms 100 PointsLogarithms 100 Points
Write the following logarithm Write the following logarithm in exponential form:in exponential form:
loglog3381 = 481 = 4
3344 = 81 = 81
Logarithms Logarithms 100 Points 100 PointsLogarithms Logarithms 100 Points 100 Points
Logarithms Logarithms 200 Points200 PointsLogarithms Logarithms 200 Points200 Points
Write the following Write the following exponential equation in exponential equation in
logarithmic form:logarithmic form:
8822 = 64 = 64
Logarithms Logarithms 200 Points200 PointsLogarithms Logarithms 200 Points200 Points
log864 = 2
Logarithms Logarithms 300 Points300 PointsLogarithms Logarithms 300 Points300 Points
Expand the following expression:
log4x2y
log4 + 2logx + logy log4 + 2logx + logy
Logarithms Logarithms 300 Points300 PointsLogarithms Logarithms 300 Points300 Points
Logarithms Logarithms 400 Points400 PointsLogarithms Logarithms 400 Points400 Points
Solve:Solve:
2 ln e2 ln e66 – ln e – ln e55
Logarithms Logarithms 400 Points400 PointsLogarithms Logarithms 400 Points400 Points
7
Logarithms Logarithms 500 Points500 PointsLogarithms Logarithms 500 Points500 Points
Condense the following Condense the following expression:expression:
4[ ln z + ln(z + 5)] – 2 ln(z – 5)4[ ln z + ln(z + 5)] – 2 ln(z – 5)
Logarithms Logarithms 500 Points500 PointsLogarithms Logarithms 500 Points500 Points
ln ----------ln ----------zz44(z + 5)(z + 5)44
(z – 5)(z – 5)22
oo
Compositions&Inverse 100 PointsCompositions&Inverse 100 PointsCompositions&Inverse 100 PointsCompositions&Inverse 100 Points
f(x) = 2x2 – 1 g(x) = 3x – 3
Find (g f)(x).
Compositions&Inverse100 PointsCompositions&Inverse100 PointsCompositions&Inverse100 PointsCompositions&Inverse100 Points
6x6x22 – 6 – 6
Compositions&Inverse 200 PointsCompositions&Inverse 200 PointsCompositions&Inverse 200 PointsCompositions&Inverse 200 Points
f(x) = 2x2 – 1 g(x) = 3x – 3
Find (f + g)(x).
2x2x22 + 3x – 4 + 3x – 4
Compositions&Inverse 200 PointsCompositions&Inverse 200 PointsCompositions&Inverse 200 PointsCompositions&Inverse 200 Points
Compositions&Inverse 300 PointsCompositions&Inverse 300 PointsCompositions&Inverse 300 PointsCompositions&Inverse 300 Points
Find the inverse of f(x) = 2x – 2 Find the inverse of f(x) = 2x – 2
Compositions&Inverse 300 PointsCompositions&Inverse 300 PointsCompositions&Inverse 300 PointsCompositions&Inverse 300 Points
ff—1—1(x) = 0.5x + 1(x) = 0.5x + 1
Compositions&Inverse 400 PointsCompositions&Inverse 400 PointsCompositions&Inverse 400 PointsCompositions&Inverse 400 Points
What is the inverse of f(x) = x2 – 3?
Compositions&Inverse 400 PointsCompositions&Inverse 400 PointsCompositions&Inverse 400 PointsCompositions&Inverse 400 Points
No InverseNo Inverse
Compositions&Inverse 500 PointsCompositions&Inverse 500 PointsCompositions&Inverse 500 PointsCompositions&Inverse 500 Points
What is the inverse of f(x) = ex – 4?
Compositions&Inverse 500 PointsCompositions&Inverse 500 PointsCompositions&Inverse 500 PointsCompositions&Inverse 500 Points
f f -1-1(x) = ln(x+1)(x) = ln(x+1)
ModelsModels 100 Points100 PointsModelsModels 100 Points100 Points
A total of $12,000 is invested at A total of $12,000 is invested at an annual interest rate of 9%. an annual interest rate of 9%.
Find the balance after 5 years if Find the balance after 5 years if it is compounded monthly.it is compounded monthly.
ModelsModels 100 Points100 PointsModelsModels 100 Points100 Points
Approximately $18,788.17
ModelsModels 200 Points200 PointsModelsModels 200 Points200 Points
On the day of a child’s birth, a deposit of $25,000 is made in a trust fund that pays
8.75% interest, compounded continuously. Determine the balance in this account on
the child’s 25th birthday.
ModelsModels 200 Points200 PointsModelsModels 200 Points200 Points
Approximately $222,822.57
ModelsModels 300 Points300 PointsModelsModels 300 Points300 Points
A deposit of $5000 is made in a trust fund that pays 7.5% interest, compounded continuously. It is specified that the balance will be given to the college from which the donor graduated after the
money has earned interest for 50 years. How much will the college
receive?
ModelsModels 300 Points300 PointsModelsModels 300 Points300 Points
Approximately Approximately $212,605.41$212,605.41
ModelsModels 400 Points400 PointsModelsModels 400 Points400 Points
The number V of computers infected by a computer virus increases according to the model V(t) = 100e4.6052t, where t is the time in hours. Find the number of computers infected after 2 hours.
ModelsModels 400 Points400 PointsModelsModels 400 Points400 Points
1,000,059.6
ModelsModels 500 Points500 PointsModelsModels 500 Points500 Points
An isotope has a half-life of 2,500 years. Its An isotope has a half-life of 2,500 years. Its mass after 200 years is 12 grams. What was mass after 200 years is 12 grams. What was
the initial mass?the initial mass?
ModelsModels 500 Points500 PointsModelsModels 500 Points500 Points
Approximately 12.684 grams
Systems Systems 100 Points 100 PointsSystems Systems 100 Points 100 Points
SystemsSystems 100 Points 100 PointsSystemsSystems 100 Points 100 Points
(2, -4)(2, -4)
Systems Systems 200 Points 200 PointsSystems Systems 200 Points 200 Points
SystemsSystems 200 Points 200 PointsSystemsSystems 200 Points 200 Points
(-3, -9)(-3, -9)
Systems Systems 300 Points 300 PointsSystems Systems 300 Points 300 Points
Systems Systems 300 Points 300 PointsSystems Systems 300 Points 300 Points
Infinite number of solutionsInfinite number of solutions
Systems Systems 400 Points 400 PointsSystems Systems 400 Points 400 Points
Systems Systems 400 Points 400 PointsSystems Systems 400 Points 400 Points
(-1, 3)(-1, 3)
Systems Systems 500 Points 500 PointsSystems Systems 500 Points 500 Points
Systems Systems 500 Points 500 PointsSystems Systems 500 Points 500 Points
(6, -4, 1)(6, -4, 1)
EliminationEliminationEliminationElimination
FINAL JEOPARDYFINAL JEOPARDYFINAL JEOPARDYFINAL JEOPARDY
What is the name of the three What is the name of the three variable elimination we learned in variable elimination we learned in
class yesterday, and who is it class yesterday, and who is it named after?named after?
FINAL JEOPARDYFINAL JEOPARDYFINAL JEOPARDYFINAL JEOPARDY
Gaussian Elimination, named after GaussGaussian Elimination, named after Gauss