SOLUTION: Use {{{f(x)=3x-5}}} and {{{g(x) = 2-x^2}}} to evaluate the expression. f(g(-2)) and g(f(-2))
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-> SOLUTION: Use {{{f(x)=3x-5}}} and {{{g(x) = 2-x^2}}} to evaluate the expression. f(g(-2)) and g(f(-2))
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Algebra: Functions, Domain, NOT graphing
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Question 790124
:
Use
and
to evaluate the expression.
f(g(-2)) and g(f(-2))
Answer by
solver91311(24713)
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Calculate g(-2), then calculate the value of f at the value of g(-2).
For the other one, calculate f(-2), then calculate g at the value of f(-2).
Take note of the fact that function composition is NOT commutative.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
