Madicat500 Madicat500

03-11-2016
Mathematics

contestada

If f(x) = 3x^2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

A:12
B:14
C:36
D:38

Please explain your answer choice.

Respuesta :

03-11-2016

f - g(2) = 3x^2 + 1 - ( 1 - x )
= 3x^2 + 1 - 1 + x
= 3x^2 + x
= 3(2)^2 + 2
= 14

the answer is B.14

i am a mathematics teacher. if anything to ask please pm me

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