Illustrative Math Algebra

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

• (.27)^x
• .27
• 13
• 3.51

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

• Exponential Growth

• Exponential Decay

• Linear

• None

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

• Exponential Growth

• Exponential Decay

• Linear

• None

Pick the equation that is exponential growth

• y=2(0.5)^x

• y = 0.5(2)^x

Pick the equation that is exponential decay

• y=2000(0.88)^x

• y=0.5(1.88)^x

Is this exponential growth or decay?

• Growth

• Decay

Which equation is represented by the table?

y = 4 + 2x

• Linear

• Exponential

• Neither

• All of the above

y = 4(3)^x

• Linear

• Exponential

• Neither

• All of the above

Linear, exponential, or neither?
Amount increases $10 per year

• Linear

• Exponential

• Neither

• All of the above