Exponential Function

Which of the following is an exponential function?

• y = x²

• f(x) = 3x³

• y = x³

• f(x) = 3^x

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

• (4,0)

• (0,2)

• x

• (0,4)

• (4,2)

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

• 4

• 2

• x

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

What is the domain of the function shown below?

• (-2,5)

• (0,12)

• All Real Numbers

What is the range of this function?

• (-∞,0)

• (0,∞)

• (-∞,4)

• (4,∞)

Determine the range for the function

f(x) = 3(2)^x-4 + 5

• [5,∞)

• (5,∞)

• [4,∞)

• (4,∞)

• y = -3

• y = 1

• y = 4

• 1, 2 and 8

• 1, 4 and 16

• 0, 4 and 8

• 1, 2 and 8