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11 November, 16:53

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

О-9

От

o15

.

+1
Answers (2)
  1. 11 November, 17:48
    0
    X = - 5, 40, 115

    Step-by-step explanation:

    when x = 0-9

    5 (0-9) + 40

    -45 + 40

    = - 5

    when x = 0T = 0

    5 (0) + 40

    0 + 40

    = 40

    when x = 015=15

    5 (15) + 40

    75 + 40

    = 115
  2. 11 November, 19:44
    0
    Answer: x = - 9, x = 115

    Step-by-step explanation:

    when x = - 9:

    5 (-9) + 40

    -45 + 40

    = - 5

    when x = 15

    5 (15) + 40

    75 + 40

    = 115
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