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18 August, 12:14

Jake earns $7.50 per hour working at a local car wash. The function,

ƒ

ƒ

(

x

)

=

7.50

x

, relates the amount Jake earns to the number of hours he works. Write the inverse of this relation

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Answers (1)
  1. 18 August, 12:45
    0
    f (x) = y

    y = 7.50x

    To find the inverse, swap x and y

    x = 7.50y

    Now solve for y

    y = x/7.50

    f-1 (x) = x/7.50
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