Linear vs Exponential Growth

Identify the following equation as a linear growth model or an exponential growth model:

y = 10 + 2x

• linear growth model

• exponential growth model

Identify the following equation as a linear growth model or an exponential growth model:

y = 3^x

• linear growth model

• exponential growth model

Identify the following equation as a linear growth model or an exponential growth model:

y = 5(4x - 7)

• exponential growth model

• linear growth model

Which best describes the rate of increase in a linear growth model?

• a percent increase of the original amount over time

• a constant rate of change

Which description best describes an exponential growth model?

• a percent increase of the original amount over time

• a constant rate of change

Is this exponential growth or decay?

• Growth, because of 7

• Decay, because of 1.2

• Growth because of 1.2

• Decay because of 7

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

• Exponential Growth

• Exponential Decay

• Linear Growth

• None of the above

Which function describes the graph?

• Linear

• Exponential

• neither

Is the equation linear, exponential or neither?

• Linear

• Exponential

• Neither

Pick the equation that is exponential growth

• y=2(0.5)^x

• y = 0.5(2)^x

• y = .5x - 2

• y = 2x + .5