Exponential Test Review (2.14)

Which of the following is an exponential function?

• y = x²

• f(x) = 3x³

• y = x³

• f(x) = 3^x

What is the initial value in y=4(2)^x

• 4

• 2

• x

What is the y-intercept in y=4(2)^x

• (4,0)

• (0,2)

• x

• (0,4)

• (4,2)

What is the growth rate in the problem below?

f(t) = 300(1.05)^t

• 300

• 1.05

• t

• y

Describe this function.

• Exponential Growth

• Exponential Decay

• Linear Positive

• Exponential Growth

• Exponential Decay

• Quadratic

Match the following

• Growth/Decay Factor

• 
• Growth

• Exponential Function Equation

• 
• Decay

• b

• y-intercept

• a

• Up 3

• Down 3

• Up 2

• Down 2

Simplify the exponential expression:

• 10x^-2
• 2x²
• 2x¹²
• 10x¹²