Question

Help! I need someone to check my answer, I'll fan and medal
f(x) = Square root of quantity three x plus seven. , g(x) = Square root of quantity three x minus seven.

Find (f + g)(x).
A. Square root of six x.
B. x Square root of six.
C. 3x
D. Square root of quantity three x plus seven. +Square root of quantity three minus plus seven.

Answer 1

I think this is C

Answer 2

I go A somehow

Answer 3

well if u Find f(x) and g(x) so that the function can be described as y = f(g(x)).
y =
4/x2+9

f(x) = x + 9 g(x) =
4/x2

f(x) = x g(x)=
4/x+9

f(x) =
1/x
g(x) =
4/x+9

f(x)=
4/x2
g(x) = 9

Answer 4

I still think C

Answer 5

Thank you so much