Growth and Decay Function Graphs

Which of the following best describes this type of graph?

• Exponential Growth

• Exponential Decay

• Linear

Which of the following best describes this type of graph?

• Exponential Growth

• Exponential Decay

• Linear

This is a(n) ________________ function.

• Linear

• Exponential

• Quadratic

Which the following graphs represents an exponential decay equation?

• 
• 
• 
• 

Which equation best describes the graph? (HINT: Put each equation in your calculator and look for the x-intercept (where y=0) and y-intercept (where x=0) and see if it matches)

• Linear

• Exponential

• Quadratic

Does the function represent a growth or decay function?

• Exponential GROWTH

• Exponential DECAY

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

• y = 15(35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

• y = 15(1.35)^x

There is a culture of bacteria that begins with 5000 cells and dies by 30% each year. Write an exponential model to represent the situation.

• y = 5000(0.70)^x

• y = 30(5000)^x

• y = 5000(1.30)^x

• y = 5000x^x

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

• Exponential GROWTH

• Exponential DECAY

• Linear

• Not a function