Exponential Function

Bree bought a new car for $20,000. Cars lose value over time. After a year it was worth $18,000; after two years it was worth $16,200. What is the decay rate?

• 0.9

• 10%

• 0.1

• 90%

Given y = a(b)^x , when a > 0 and 0 < b < 1, what is the function behavior as x increases?

• decreasing

• increasing

• constant

• undefined

Tags

CCSS.HSF-IF.C.8B

No Calculator: Which is an asymptote of f(x) = 4(2)^x ?

• y = 4

• y = 0

• y = 2

• y = 1

Tags

CCSS.HSF-IF.C.7E

No Calculator: Compared with parent function f(x) = 5^x , the graph of which function is shifted up 2 units and left 3 units?

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Which function represents the table of values?

• f(x) = 4x

• f(x) = x³

• f(x) = 4^x

• f(x) = 3^x

Tags

CCSS.HSF.LE.A.2

Which equation matches the table?

• y = 100(1/2)^x

• y = .5^x

• y = -50x + 100

• y = (1/2)^x+100

Tags

CCSS.HSF.LE.A.2

Write the function for the following table:

• f(x)= 1/3x + 27

• f(x)= 3x+27

• f(x)= 243(3)^x

• f(x) = 27(1/3)^x

Tags

CCSS.HSF.LE.A.2

A collectible car has been going up in price by 10% each year. If the car is already worth $29,000, how much will the car be worth in 5 years?

• $0.29

• $2,900,000,000

• $46,704.79

• $145,000

Tags

CCSS.HSF-LE.A.1C

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF.LE.B.5

Write the function for the following table:

• f(x)= 6x-2

• f(x)= 10x+2

• f(x)= 2(6)^x

• f(x)= 6(2)^x

Tags

CCSS.HSF.LE.A.2