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25 June, 12:50

If f (x) = 4x + 5, what is the value of f (-3) ?

(1) - 2

(2) 7

(3) 17

(4) 4

How would the answer be different if you had f (3) ?

+5
Answers (1)
  1. 25 June, 15:10
    0
    F (-3) = 4 (-3) + 5

    f (-3) = -12+5

    f (-3) = -7

    f (3) = 4 (3) + 5

    f (3) = 12+5

    f (3) = 17
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