Jayjaylynn Jayjaylynn

21-06-2016
Mathematics

contestada

Let f(x)=-3x-4 and g(x)=2x-6. Find (f ° g) (-7)

A. 28

B. -20

C. 17

D. 56

Respuesta :

jhonyy9 jhonyy9

25-06-2016

f(x)=-3x-4
g(x)=2x-6

(f°g)(x) = -3(2x-6)-4= -6x +18

(f°g)(-7)=-6*(-7) +18 = 42+18=60

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