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8 December, 17:45

If f (x) = 5x + 40, what is f (x) when x = - 5?

08

7

15

+4
Answers (1)
  1. 8 December, 20:24
    0
    Replace X in the equation with - 5 and solve:

    f (x) = 5x + 40

    = 5 (-5) + 40

    = - 25 + 40

    = 15
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