Find fog and gof
(1) Fof (x) = x² +5, g(x) = x
-1
Answers
Answered by
2
Given f(x) = x² + 5 ----(1)
g(x) = x - 1 -----(2)
i ) fog(x) = f[g(x)]
= f(x-1)
= (x-1)² + 5
= x² - 2x + 1 + 5
= x² - 2x + 6
ii ) gof(x) = g[f(x)]
= g(x²+5)
= x²+5-1
= x² + 4
•••♪
Answered by
2
Answer:
6ans
Step-by-step explanation:
g(x)=x-1=0
=x=1
f(x)=x™+5. {tm=2 square of your que. }
=1+5=6ans.
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