Exponential Functions STAAR Review Quiz

The graph shows the number of game consoles sold in millions since 2009. Based on this information, which function best models the number of game consoles sold in millions x years since 2009?

• g(x) = 0.6(25.5)^x

• g(x) = 25.5(0.6)^x

• g(x) = 6.12(25.5)^x

• g(x) = 25.5(6.12)^x

Tags

CCSS.HSF.LE.A.2

A conservation agency tracks the sea turtle population by counting the number of nesting sites where the turtles lay their eggs. The table shows the number of nesting sites for several years since 2001. The data can be modeled by an exponential function. Which function best models the data?

• n(x) = 25,956.80(1.08)^x

• n(x) = 46,797.94(0.93)^x

• n(x) = 1.08(25,956.80)^x

• n(x) = 0.93(46,797.94)^x

Tags

CCSS.HSF.LE.A.2

What is the value of the y-intercept of the graph of g(x) = 73(0.8)^x?

Tags

CCSS.HSF-IF.C.7E

The table represents some points on the graph of an exponential function. Which function represents this relationship?

• f(x) = 16(³/₂)^x

• f(x) = 16(²/₃)^x

• f(x) = 36(³/₂)^x

• f(x) = 36(²/₃)^x

Tags

CCSS.HSF.LE.A.2

A part of the exponential function f is graphed on the grid. Which inequality best represents the domain?

• x > 1

• y > 1

• x > -2

• y > -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which graph best represents 5(¹/₃)^x?

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Tags

CCSS.HSF-IF.C.7E

An exponential function is graphed on the grid. Which function is best represented by the graph?

• p(x) = (0.25)^x

• p(x) = 2(0.5)^x

• p(x) = (1.25)^x

• p(x) = (25)^x

Tags

CCSS.HSF.LE.A.2

What is the value of the y-intercept of the graph of h(x) = 12.3(4.9)^x?

Tags

CCSS.HSF-IF.C.7E

The table shows the value in dollars of a motorcycle at the end of x years. Which exponential function models this situation?

• v(x) = 9,000(1.1)^x

• v(x) = 9,000(0.9)^x

• v(x) = 8,100(1.1)^x

• v(x) = 8,100(0.9)^x

Tags

CCSS.HSF.LE.A.2

The insect population after x months can be modeled by the function g(x) = 18(1.3)^x. Which statement is the best representation of one of the values in this function?

• The insect population increased by 13 insects each month.

• The insect population decreased by 13 insects each month.

• The insect population increased at a rate of 30% each month.

• The insect population decreased at a rate of 30% each month.

Tags

CCSS.HSF.LE.B.5