Exponential Functions Quiz

What part of the equation tells us if the exponential graph will decay or grow?

• The base of the exponent

• The coefficient of the base

• The y-intercept

• The exponent itself

Tags

CCSS.HSF-IF.C.7E

What is the y-intercept of f(x) = 2^x?

• (-2, 0.25)

• (-1, 0.5)

• (0, 1)

• (1, 2)

Tags

CCSS.HSF-IF.C.7E

Any number raised to the power of 0 will always equal what?

• 0

• 1

• The number itself

• -1

Tags

CCSS.8.EE.A.1

In the equation f(x) = 3^x, what does the number 3 represent?

• The y-intercept

• The base of the exponent

• The exponent

• The slope

Tags

CCSS.HSF-IF.C.8B

Which of the following equations represents exponential decay?

• f(x) = 3^x

• f(x) = 4(0.25)^x

• f(x) = -2(1.05)^x

• f(x) = 4(1.75)^x - 4

What is the y-intercept of the function f(x) = 2(3)^x

• 0

• 1

• 2

• 3

Tags

CCSS.HSF-IF.C.7E

In the function f(x) = 4(0.75)^x - 4, what does the -4 represent?

• The base of the exponent

• The y-intercept

• A vertical shift

• The slope

Which graph represents exponential growth?

• A line curving downwards

• A line curving upwards

• A straight line

• A horizontal line

Tags

CCSS.HSF-IF.C.7E

What happens to the graph of f(x) = 3^x when you add 2 to the function?

• It shifts 2 units to the left

• It shifts 2 units to the right

• It shifts 2 units up

• It shifts 2 units down

Tags

CCSS.HSF.BF.B.3

Which of the following functions has a y-intercept of 3?

• f(x) = 3^x

• f(x) = 3(2)^x

• f(x) = 4^x - 1

• f(x) = 5^x + 2

Tags

CCSS.HSF-IF.C.7E