SOLUTION: Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following: . a) (g o f)(x) . b) (f * g)(x) -- the o is colored in. . c) (f+g)(2) . d) (f-g)(3)

SOLUTION: Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following: . a) (g o f)(x) . b) (f * g)(x) -- the o is colored in. . c) (f+g)(2) . d) (f-g)(3)

Algebra.Com

Question 4521: Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following:
.
a) (g o f)(x)
.
b) (f * g)(x) -- the o is colored in.
.
c) (f+g)(2)
.
d) (f-g)(3)
Answer by glitzgirl_14(11) (Show Source): You can put this solution on YOUR website!
f(x)=x^2 g(x)=2x+1
A.) g(f(x))= 2(x^2)+1 (g o f)(x)=2x^2+1
B.) x^2(2x+1) 2x^3+x^2
C.) x^2+2x+1
D.) x^2-2x+1
RELATED QUESTIONS
Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following: . a) (g o f)(x) . (answered by pushpaharan)

Let f(x)=x^2 and g(x)=x+3, find: a. (f o g)(x)= b. (g o f)(x)= c. (f o g)(-3)= d.... (answered by MathLover1)

Let f(x)=x^2 and g(x)=x-5 find: a. (f o g)(x)= b. (g o f)(x)= c. (f o... (answered by stanbon)

for the given funtions f and g, find (a) (f o g)(4) (b)(f o g)(2) (c)(f o f)(1)... (answered by nik_consult)

Please help me to find the following functions. Let f(x)=x=4 and g(x) =x^2+8x-3 a.... (answered by solver91311)

3. If f(x)=square root 2x^2-1 and g(x)=x^1/2, find (and simplify) a) (f+g)(x) b)... (answered by CPhill)

Let f(x)=-2x -1 and g(x)=x^2+3 Find (f o g)... (answered by Fombitz)

Let f(x)=2x^2-9 and g(x)=x-7. a) Find the composite function (f o g) (x) b) (f o g)... (answered by nerdybill)

If f(x)= square root 2x^2-1 and g(x)=x^1/2, find and simplify a) (f+g)(x) b) (f-g)(x) (answered by Alan3354)