Finals Review - Exponentials

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 initial value:

y = 6.87 (4)^x

• a = 4

• a = 6.87

• a = 3

• a = 1

Classify the following graph.

• Exponential Growth

• Exponential Decay

• Logarithmic

Classify the following graph.

• Exponential Growth

• Exponential Decay

• Logarithmic

Does the following equation represent exponential growth or exponential decay? y=105(.80)^x

• Growth

• Decay

For the function f(x) =6(3)^x , what is the y-intercept?

• (6,0)

• (3,0)

• (0,3)

• (0, 6)

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

Simplify the exponential expression.

• 2x⁶y¹²

• 2x⁵y⁷

• 8x⁶y¹²

• 8x⁵y⁷

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

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

What is the Growth/Decay factor of the function f(x)= 2(4)^x ?

• 2

• 8

• 4

• x