math
posted by missfubuc .
find the functional values requested in the problem F(x)=x^225t
(a)F(5t)=
(b)F(6t)=

math 
Reiny
a)
if f(x) = x^2  25t
f(5t) = (5t)^2  25t = 25t^2  25t
so the second one in the same way.
Notice we had a function of x, that is, f(x)
so only the terms that contain x's are affected in the substitution, unless you have a typo.
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