URGENT HELP NEEDED!!!!!!!!!!!
Submitted by cutebabe86 on 28. August 2006 - 0:14.
Given f(x)=xsquare-4, g(x)=x-1, and h(x)=3x+1
1. f(g(h(x))) and 2. g(h(f(x)))
Incase you can't answer number 2, can u just write a step to do like the others. Thank you very much i appreciate it. There is no square symbol so i had to write it out. I have others questions on other harder topics but their are no symbols to be used so do you know how i can get to type it on.
URGENT HELP NEEDED!!!!!!!!!!!
Given f(x)=xsquare-4, g(x)=x-1, and h(x)=3x+1
1. f(g(h(x))) and 2. g(h(f(x)))
Hello Dear here we go
we have f(g(h(x)))
Step 1
Put h(x) as x in g(x)
so we have
g(h(x)) = (3x+1)-1
g(h(x)) = 3x+1-1
= 3x
Step 2
Put this value as x in f(x)
f(x) = x^2 - 4
f(g(h(x))) = (3x)^2 -4
= 9x^2 -4
Answer
For question 2 g(h(f(x)))
Follow the same process but with following modification
Step 1
Put f(x) as x in h(x) then solve
Step 2
Put value we get in step 1 as x and put it in g(x)
Try and you would get the answer