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20-10-2016
Mathematics

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If f(x) = x2 + x and g(x) = x − 3, find f(g(7)).
A.20
B.28
C.32
D.53

Respuesta :

Kyutiedask10 Kyutiedask10

20-10-2016

the answer would be A.20

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Аноним Аноним

20-10-2016

If f(x) = x2 + x and g(x) = x − 3, find f(g(7)).

g(7) = 7 - 3 =4

f(g(7)) = x^2 + x

= 4^2 + 4

= 16 + 4

= 20

Answer is A.20

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