Exponential Function Quiz 1

Does the data in the table have a constant rate of change or a constant multiplier? What is the value?

• Constant rate of change of 1.2

• Constant multiplier of 1.2

• Constant rate of change of 1.5

• Constant multiplier of 1.5

Tags

CCSS.HSF-LE.A.1B

What is the value of k if this table represents an exponential function?

• 288

• 306

• 324

• 576

Tags

CCSS.HSF-LE.A.1A

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%

Which equation represents the function in the table?

• y = 1.2(8)^x

• y = 8(1.2)x

• y = 1.2x⁸

• y = 8(1.2)^x

Tags

CCSS.HSF.LE.A.2

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

 $g\left(x\right)\ =\ -\frac{1}{2}\left(2\right)^{x+3}$  
No Calculator:  Which graph represents g(x)?

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• 

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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No Calculator:  State if the function is increasing or decreasing and identify the y-intercept.

 $f\left(x\right)\ =\ -\left(3.9\right)^x$  

• increasing; y-intercept (0, -1)

• decreasing; y-intercept (0, -1)

• increasing; y-intercept (0, 3.9)

• decreasing; y-intercept (0, 3.9)

Tags

CCSS.HSF-IF.C.7E

No Calculator: State if the function is increasing or decreasing and identify the y-intercept.

 $f\left(x\right)\ =\ -2\left(0.25\right)^x$  

• decreasing; y-intercept (0, 0.25)

• decreasing; y-intercept (0, -2)

• increasing; y-intercept (0, -2)

• increasing; y-intercept (0, 0.25)

Tags

CCSS.HSF-IF.C.7E