STAAR Review 10 Exponential Functions

An exponential function is graphed on the grid.

Which function is best represented by the graph?

Tags

AI.9.9.C

The table represents some points on the graph of an exponential function.

Which function represents the same relationship?

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AI.9.9.C

There are 1,024 players in a tennis tournament. In each round, half the players are eliminated. Which function can be used to find the number of players remaining in the tournament at the end of x rounds?

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AI.9.9.C

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Tags

AI.9.9.D

Mathematical Equivalence

ON

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AI.9.9.D

• The graph has a vertical asymptote.

• The graph decreases from left to right.

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AI.9.9.D

A part of an exponential function is graphed on the grid.

Which inequality best represents the domain of the part shown?

• x≥−2

• y≥4.5

• x≥4.5

• y≥−2

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AI.9.9.A

• The initial balance of the account decreases at a rate of 97.5% each year.

• The balance in the account increases at a rate of 2.5% each year.

• The initial balance of the account was $1,025.

• The balance in the account at the end of one year is $850.

Tags

AI.9.9.B

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 numbers of nesting sites for several years since 2001. The data can be modeled by an exponential function.

Which function best models the data?

Tags

AI.9.9.E