SOLUTION: Given f(x)=4x-3 and g(x)=2x(to the power of 2)-5 find f[g(-1)] and g[f(-1)].

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Question 37810: Given f(x)=4x-3 and g(x)=2x(to the power of 2)-5 find f[g(-1)] and g[f(-1)].
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Given f(x)=4x-3 and g(x)=2x^2-5 find f[g(-1)] and g[f(-1)].
g(-1) = 2(-1)^2-5 = 2 - 5 = -3
f(-3) = 4(-3)-3 = -15
f[g(-1)] = -15
f(-1) = 4(-1)-3= -7
g(-7) = 2(-7)^2-5 = 2(49)-5 = 93
g[f(-1)] = 93