SOLUTION: Please help me solve this equation: Given f(x)= x^2 + 7 and g(x)= x^2 - 7, find f of g(x)
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Question 743599: Please help me solve this equation: Given f(x)= x^2 + 7 and g(x)= x^2 - 7, find f of g(x)
Found 2 solutions by josgarithmetic, tommyt3rd:
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
That means use g(x) as the input of f(x).
Put g(x) into the missing place.
, and you need to simplify the formula.
---EDITED for one misspelled word.---
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
f(g(x)) is a composition - we take a function as an input to another function.
and
g is the input of f so we replace g(x) with the expression - they are equal
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