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21 July, 16:58

Let f (x) = 4x+3 and g (x) = - 2x+5

Find (f) (g) (5)

a. 23

b. - 41

c. - 17

d. - 5

+1
Answers (1)
  1. 21 July, 17:08
    0
    f (x) = 4x + 3

    g (x) = - 2x + 5

    (f · g) (5) = (4 (5) + 3) (-2 (5) + 5)

    (f · g) (5) = (20 + 3) (-10 + 5)

    (f · g) (5) = (23) (-5)

    (f · g) (5) = - 115
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