Ashleymackenzie2015
Ashleymackenzie2015 Ashleymackenzie2015
  • 08-02-2017
  • Mathematics
contestada

Which answer is equal to (f - g) (-5)

f(x)= 2+x ; g(x)= x^2+5

A.17
B.-33
C.-25
D.-23

Respuesta :

Аноним Аноним
  • 08-02-2017
f(5)= 2+5 = 7
g(5)= 5^2+5 = 25 +5 = 30

(f - g) (-5) = 7 - 30 = -23

answer is D.-23
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