Exponential Functions Y-Intercept and Rate of Change

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

Given y=3^x determine the y-intercept

• 1

• 3

• 0

• y

What type of function is y = 7(5/4)^x?

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

What is the asymptote of this function?

• y = 0

• y = 5

• y = 2

• y = 1

Pick the equation that is exponential decay

• y = 2000(0.88)^x

• y = 0.5(1.88)^x

• y = 10(3/2)^x

• y = 0.8(13)^x

Which function will show exponential behavior?

F(x) = (4.3)^x 

or

G(x) = 4.3x + 9

• F(x)

• G(x)

• both

• neither

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Describe the equation
y = 100 * 2^x

• It starts with 100 and is tripling

• It starts with 100 and is doubling

• It starts with 2 and is being multiplied by 100 each time

• It starts with 100 and is adding 2 each time

y = 4(3)^x

• Linear

• Exponential

• Neither

• All of the above