Exponential Function from Context

Is the table linear, exponential or neither?

• Linear

• Exponential

• Neither

Which type of function is given by the table?

• Linear

• Exponential

• Quadratic

• Piecewise

Write the function for the following table:

• f(x) = 5x + .08

• f(x)= 5x + 2

• f(x) = .08(5)^x

• f(x)= 2(5)^x

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

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

• 300

• 1.16

• .16

• x

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Given the following graph: where y = k(2)^x , what does "k" equal?

• 1

• 0

• 2

• 1/2

Given the following graph: where y = k(2)^x , what does "k" equal?

• 2

• 3

• 1

• -2

The function shows the growth of a fruit fly population. f(t) is the number of fruit flies after t days. 
What is the growth factor for the fruit fly population?

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

• y = 15(35)^x

• y = 15(0.35)^x

• y = 15(1.35)^x

• y = 35(1.15)^x