Exp Functions and Graphs

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

• Exponential Growth

• Exponential Decay

• Linear

• None

What does this graph represent?

• Exponential Decay

• Exponential Growth

What is the equation that represents the exponential function in the image below?

• y=3(½)^x

• y=3(2)^x

• y=(2)^x

• y=2(3)^x

Which equation best describes the graph? 

• y = 2^x + 4

• y = 2^x - 3

• y = 2^x - 4

• y = 2^x + 3 

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Given y=3^x determine the y-intercept 

• (0,1)

• (0,3)

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

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

What is the initial value of the situation represented by f(x)=0.05(2)^x?

• 0.05

• 2

• 0.1

• 1

What is the asymptote of the parent function y=2^x?

• x=0

• y=0

• x=2

• y=2

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

• Increasing

• Decreasing