1. 2.

Lesson 8.2-Properties of Exponential Functions

Graph:

3.

( ) 1.5ts t

( ) 2 7xf x

22 xy

decay

4.

ANSWERS

Determine if the function represents exponentialgrowth or decay:

129(1.63) 6xy

growth

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Lesson 8.2-Properties of Exponential Functions

What are the 7 “Wonders” of the World?

1. Great Pyramid of Giza.2. Hanging Gardens of Babylon3. Temple of Artemis at Ephesus4. Statue of Zeus at Olympia5. Mausoleum of Halicarnassus6. Colossus of Rhodes7. Lighthouse of Alexandria8. Compound Interest

The graph of is upward-sloping,and increases faster as x increases. The x-axis is a horizontal asymptote. The inverse function is the natural logarithm ln(x);

54.5982 0.0498 1.6487

xy e

Name_________________Period_______

Student Budget Form Monthly Annual

Salary $5,000 $60,000

Taxes 30% $1,500 $18,000Salary After Taxes $3,500 $42,000

ExpensesMortgage/Rent $1,700 $20,400Food $300 $3,600Cell $80 $960Utilities (Water,Gas,Electric,Trash) 15% $255 $3,060Extra Amenities (Cable,Internet,Phone) $150 $1,800Car Payment/ Insurance $437 $5,244Misc.(Entertainment,Clothing,Repairs,etc) $408 $4,896 Estimated RetirementSavings/Retirement $170 $2,040 $61,200

Net Income $3,500 $42,000Total Debit $3,500 $42,000Grand Total (Should be Zero) $0 $0

.05 302040e Retirement w/ Compound interest

Classwork: SW: pg.457, 15-25 all