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