applesareyummy applesareyummy

02-09-2016
Mathematics

Answered

f(x)= sqrt of 5x+7 and g(x)= the sqrt of 5x-7

find (f+g)(x)

OPTIONS:

Asqrt 10x
Bx sqrt 10
Csqrt of 5x+7+ sqrt of 5x-7
D5x

Verified Answer :

dalendrk dalendrk

02-09-2016

f(x) = √(5x + 7)

g(x) = √(5x - 7)

(f + g)(x) = f(x) + g(x)

(f + g)(x) = √(5x + 7) + √(5x - 7)

Answer: C)

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