Find a) (fog)(x) and b) (gof)(x) where f(x)=square root of x and g(x)= x+3
Ty D.
answered 11/05/18
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f(x) = √x
g(x) = x + 3
(f º g)(x) = f(g(x))
(f º g)(x) = f(x + 3)
(f º g)(x) = √(x + 3)
(g º f)(x) = g(f(x))
(g º f)(x) = g(√x)
(g º f)(x) = √x + 3
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