Exponential vs Linear

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

• Exponential Growth

• Exponential Decay

• Linear

• None

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• Exponential

• Linear

• None

Is the graph linear, exponential or neither?

• Linear

• Exponential

• Neither

What does the y-intercept of the graph represent?

• The amount of grams the material is gaining.

• The amount of grams the material is losing.

• The amount of grams remaining after so many years.

• The initial amount of grams.

The iPhone X is valued at $1000 upon purchase. The value is expected to decrease by 14% each year. Which function matches the situation? Let Cost (C) be a function of time (t)

• C(t)=1000-0.14t

• C(t)=1000(.14)^t

• C(t)=1000(.86)^t

• C(t)=1000-0.86t

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

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Determine if the graph is linear or nonlinear.

• Linear

• Exponential

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

What relationship is demonstrated by this table of values?

• Linear

• Exponential

• Neither