jika f(x) = 2x²+1 dan g(x) = x+2 tentukan A. (gof) (x) B. (gof) (5)

Langsung aja y

A.
(gof)(x) = g{f(x)}

= f(x) + 2
= 2x² + 1 + 2
= 2x² + 3

B.
(gof)(5) = 2(5)² + 3
(gof)(5) = 50 + 3
(gof)(5) = 53

Semoga berguna +_+

a. (gof)(x) = (2x² + 1) + 2 = 2x² + 3

b. (gof)(5) = 2(5)² + 3 = 53

jadikan jawaban terbaik ya