# college algebra

posted by .

f(x)=x^2+3; g(x)=x+4 find (fog)(-2) I have an answer of -7 or could this be just 7

## Similar Questions

1. ### Algebra

Help please! I got so far with this and stopped because of confusion. Here is what I have so far. Let f(x) = 6/x-1 and g(x) = 1 + 3/x find the composite function of (fog)(x) (fog)(x) = f (g(x)) =f (1+3/x) =6/x-1 ?
2. ### college algebra

f(x)=1/x-2 g(x)=4/x find (fog)(x) my answer to this function was x/4-2x this is a possoble answer I believe to be 4x-8 is this correct
3. ### college algebra

f(x)=x^2+3; g(x)=x+4 find (fog)(-2) I have an answer of -7 or could this be just 7
4. ### college algebra

given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?
5. ### college algebra

Given f(x)=sqrt x+4 and g(x)= 1/x find (fog)(x)

find the domain of the composite function of fog f(x)=x^2+8;g(x)ãx-5
7. ### college algebra

find functions f anf g so that fog equals H H(x)=ãx^2+17 please show work
8. ### college algebra

1. answer the following for the given quadratic function f(x)=x^2+10x-11 a.what is the vertex (h,k) of f?
9. ### Algebra

What is the value of (fog)(-5) f(x)=x-10 ; g(x)=x2-3 a. (fog)(-5)= -38 b. (fog)(-5)=12 <--- ?
10. ### College Algebra

For fx=6x-5 and gx=3x^2-4 find the following (fog)(x) Having problems understanding (gof(x)=g(f(x))= 3(f(x))^2-4 3(6x-5)^2-4 (36x-9-25)-4

More Similar Questions