Wendy is logging the number of video game levels she wins per hour. She has determined the function to be f (x) = 6x + 9, where x represents hours and f (x) represents the number of video game levels won. Which of the following options describes the restrictions to the domain and range correctly?

A) Domain, nonnegative values; range, values greater than - 1.5

B) Domain, nonnegative values; range, values less than - 1.5

C) Domain, nonnegative values; range, values greater than or equal to 9

D) Domain, nonnegative values; range, values less than or equal to 9

Question

Mathematics

Rory Rodriguez

28 November, 20:06

Wendy is logging the number of video game levels she wins per hour. She has determined the function to be f (x) = 6x + 9, where x represents hours and f (x) represents the number of video game levels won. Which of the following options describes the restrictions to the domain and range correctly?

A) Domain, nonnegative values; range, values greater than - 1.5

B) Domain, nonnegative values; range, values less than - 1.5

C) Domain, nonnegative values; range, values greater than or equal to 9

D) Domain, nonnegative values; range, values less than or equal to 9

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Answers (1)

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Walker · Answer 1

The answer is C because spending no time on video games gets you at least 9 for a range, and spending as much time as she wants to means the number will increase meaning "greater than"