Suppose that the functions f and g are
defined for all real numbers x as follows.
write the expression for (f*G)(x) and (f-g)9x) and evaluate
write the expression
for (f*g)(x) and (f-g)(x) and evaluate (f+g)(-1)
f(g(x)) = f(2x)
= 4* (2x)2= 16x2
(f-g)(x) = f(x)-g(x) =
f(-1)+g(-1) = 4 *(-1)2+2(-1) =4-2 =2
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