Review

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Pre-Calculus Chapter 1 Review

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Chapter 1 Review

Use the quadratic formula to find the exact solution.

a.)

b.)

c.)

d.)

x 2 15 3x

x 3 69

2

x 3 69

2

x 3 51

2

x 1 181

2

Solve for x.

a.)

b.)

c.)

d.)

x 14

x 14

x 196

x 12.25

Solve for y.2y2 + 4 = 9y

a.) y = 1/2 and y = 2

b.) y = 2

c.) y = 2 and y = 1

d.) y = 1/2 and y = 4

Solve the Equation.

a.)

b.)

c.)

d.)

y 29

9, 11

8

y 20,3

y 29

9,11

8

y 9

20, 8

11

Solve the equation.-D

a.) x = 21, -21

b.) x = 0, 1

c.) x = 1, 3

d.) x = 1, -3

Solve the equation.

a.) x = -10, x = 1

b.) x = -10, x = 8

c.) x = 10, x = 8

d.) x = 10, x = -8

Find the domain and range of the function. Write your answers using interval notation.

Find the domain and range of the function. Write your answers using interval notation.

Find the domain and range of the function. Write your answers using interval notation.

y = –x4 + 4

3

Find the asymptotes in the following equation.

Determine if the following function is continuous at x = -2 .

For what values of x is the function discontinuous?

For what values of x is the function continuous?

Determine the intervals on which the function is increasing, decreasing, and constant.

Determine the intervals on which the function is increasing, decreasing, and constant.

Which function is decreasing over its entirety?

a.) b.)

c.) d.)

Give the function’s boundedness.

a.) boundedb.) upper boundc.) lower boundd.) unbound

Give the function’s boundedness.

a.) boundedb.) upper boundc.) lower boundd.) unbound

Graph the following piecewise function. Is it continuous at x = 0?

Identify local and absolute extrema in the following functions.

1.) f(x) = -x2 - 12x - 42

2.) f(x) = x3 – 3x

Is the function even, odd, or neither?

1.) f(x) = 6x5 – 4x3

a.) even b.) odd c.) neither

2.) f(x) = 10x - 5x

a.) even b.) odd c.) neither

3.) f(x) = x2 + 28

a.) even b.) odd c.) neither

Find fg and f/g. State the domain for each.

f (x) x 3;

g(x) x 21.

2.

f (x) x 3;

g(x) x 4

Find f(g(2)) and g(f(-1)).

f (x) x 3;

g(x) x 2

f (x) x 3;

g(x) x 3

1.

2.

Find f-1(x) of the following function. State its domain.

1.)

2.)

f (x) x 83

f (x) 3x 2

x 1

How can the graph of f(x) =1/2(x + 11)2 - 8 beobtained from the graph of y = x2?

How can the graph of f(x) = -10x3 + 3 be obtained from the graph of y = x3?

Write the equation:The shape of y = x is shifted 8 units to the left. Then the graph is shifted 5

units upward.