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3 August, 13:00

The function rule of a certain function is y = - 3x + 1. If the input is 7, what is the output?

a.-22

b.-21

c.-20

d.-24

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Answers (1)
  1. 3 August, 15:03
    0
    Let's plug in 7 for the input, x, to get the output, y:

    y = - 3x + 1

    y = - 3 (7) + 1

    y = - 21 + 1

    y = - 20

    Answer is C
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