SOLUTION: f(x)=x^2-6 and g(x)=8x+1, Find f(g) (-1/8)

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Question 1036624: f(x)=x^2-6 and g(x)=8x+1, Find f(g) (-1/8)
Found 2 solutions by JBarnum, ikleyn:
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=x%5E2-6 and g%28x%29=8x%2B1, Find f(g) (-1/8)
f%28-1%2F8%29=%28-1%2F8%29%5E2-6 and g%28-1%2F8%29=8%28-1%2F8%29%2B1
f%28-1%2F8%29=%281%2F16%29-6 and g%28-1%2F8%29=%28-1%29%2B1
f%28-1%2F8%29=%281%2F16%29-%2896%2F16%29 and g%28-1%2F8%29=0
f%28-1%2F8%29=-%2895%2F16%29 and g%28-1%2F8%29=0
%28-95%2F16%29%280%29=highlight_green%280%29

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
f(x)=x^2-6 and g(x)=8x+1, Find f(g) (-1/8)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

1.  g(-1%2F8) = 8%2A%28-1%2F8%29%2B1 = -1 + 1 = 0.


2.  f(g) (-1%2F8) = f(0) = 0%5E2+-+6 = -6.

Answer.  -6.