henriquefrydman henriquefrydman

01-12-2016
Mathematics

contestada

If f(x) = 2x2 + 3 and g(x) = x2 – 7, find (f – g)(x).

A. 3x2 – 4
B. x2 – 4
C. x2 + 10
D. 3x2 – 10

Respuesta :

Abby285 Abby285

01-12-2016

= (2x^2 + 3) - (x^2 - 7)
= 2x^2 + 3 - x^2 + 7
= x^2 + 10
= C

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