How do you find $(f \circ g) (3)$ $(f@g)(3)$ given $f (x) = 3 x - 5$ $f(x)=3x-5$ and $g (x) = x^{2}$ $g(x)=x^2$ ?

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Answer 1 · 2017-05-29T11:40:33

$(f \circ g) (3) = 22$ $(f @ g) (3) =22$

$f(x+ 3x-5 ; g(x) = x^2 :. g(3) = 3^2 =9$

$(f @ g) (3) = f (g(3)) = f(9) = 3 *9 -5 =27-5 =22$ [Ans]

How do you find (f@g)(3)(f∘g)(3)(f@g)(3) given f(x)=3x-5f(x)=3x−5f(x)=3x-5 and g(x)=x^2g(x)=x2g(x)=x^2?