Asked by Kim
given the functions:
f(x) = x^2 - 1, g(x) = x/x + 2
Why is x^2 - 1/x^2 + 1 the equation of (g o f)(x)?
f(x) = x^2 - 1, g(x) = x/x + 2
Why is x^2 - 1/x^2 + 1 the equation of (g o f)(x)?
Answers
Answered by
Damon
assume you forgot parentheses
g(x) = x /(x+2)
g = (x^2-1)/(x^2-1+2)
= (x^2-1)/(x^2+1)
g(x) = x /(x+2)
g = (x^2-1)/(x^2-1+2)
= (x^2-1)/(x^2+1)
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