Did I answer this correctly?

Did I answer this correctly?Given that f(x)=x+1 and g(x)=√x+3, find each of the followinga. (f+g)(x)b. (f+g)(6)
c. (f+g)(-4)

A.

f(x)+g(x)

(x+1)+(√x+3)

x+1+3

x+4

B.

f(6)+g(6)

(x+1)(6)+(√x+3)(6)

6*x+1*6+(√x+3)(6)

6*x+6(√x+3)(6)

6x+6+6√x+3

C.

f(-4)+g(-4)

(x+1)(-4)+(√x+3)(-4)

-4*x+1*-4+(√x+3)(-4)

-4*x-4(√x+3)(-4)

-4x-4-4√x+3

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