solving f(x)

ewainright

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Joined
Nov 10, 2009
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3
if f(x)=4x-5 and g(x)=x^2+1, find each value

if g(t)-4
if f(3a^2)

would the answer be
f(t)=4(t)-5 and g(t)=t^2+1
f(3a^2)=4(3a^2)-5 and g(3a^2)=(3a^2)^2+1
 
Whar are the 2nd and 3rd "if"s doing in there?

g(t) - 4 = (t^2 + 1) - 4 = t^2 - 3
 
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