SOLUTION: Use f(x) = 4x − 2 and g(x) = 5 − x^2 to evaluate the expression. (a) (f ○ g)(−2)= (b) (g ○ f)(−2)=

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Use f(x) = 4x − 2 and g(x) = 5 − x^2 to evaluate the expression. (a) (f ○ g)(−2)= (b) (g ○ f)(−2)=       Log On


   

Question 1023981: Use f(x) = 4x − 2 and g(x) = 5 − x^2 to evaluate the expression.
(a) (f ○ g)(−2)=

(b) (g ○ f)(−2)=
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use f(x) = 4x − 2
g(x) = 5 − x^2 to evaluate the expression.
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(a) (f ○ g)(−2) = f[g(-2)] = f[5-(-2)^2] = f[1] = 4-2 = 2
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(b) (g ○ f)(−2) = g[f(-2)] = g[4(-2)-2] = g[-10] = 5-(-10)^2 = 5-100 = -95
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Cheers,
Stan H.
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