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3 July, 16:57

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

0

-9

0

-8

O7

O 15

+2
Answers (1)
  1. 3 July, 17:26
    0
    Replace x in the equation with - 5 and solve.

    5 (-5) + 40 = - 25 + 40 = 15
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