SOLUTION: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) Please help me I get so far and then I can not get the rest. Thank you

SOLUTION: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) Please help me I get so far and then I can not get the rest. Thank you

Algebra.Com

Question 131269: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2)
Please help me I get so far and then I can not get the rest. Thank you
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
(fog)(x) is f(g(x))

f(2x^2-x-1)=(2x^2-x-1)+4

(fog)(2)=(2(2^2)-2-1)+4 __ (fog)(2)=(5)+4
RELATED QUESTIONS
If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) please I could use some... (answered by stanbon)

Let f(x) =2x^2+3 and g(x) = 4x-8. Find each composition. (fog)(x) f(g(x)) =... (answered by Alan3354)

Hi for the given functions f and g find the composition.. f(x) =7x^2+5x; g(x)=3x find... (answered by Alan3354)

find the composition of functions (fog)(x) for: g(x) = (2x) (1/2), f(x) = x2 + 1 I... (answered by Fombitz)

Can I get help with this problem please, Given f(x)=1-5x and g(x)=x^2-3 find the... (answered by jim_thompson5910)

Hello, can someone please help me..I cannot wrap my head around this problem. if... (answered by stanbon)

My teacher likes to throw in a fun problem sometimes to see what we come up. Honestly I... (answered by josgarithmetic)

If f(x)=3x^2+1 and g(x)=2x+2, then (fog^-1)(2) = ...I don't understand how to find... (answered by vleith)

fonction of composition (Fog)(x)=1/x^2 and g(x)= 2x+1 find f(x)=?... (answered by Theo)