Q. - Universityku

$f(x) : = : 2x : times : x : + : 5x$
$f(3) : = : ......................$
# selamat menjawab

Q.

Penyelesaian:

f(x)=2x.x+5x

f(x)=2x²+5x

f(3)=2(3)²+5x

f(3)=2(9)+5(3)

f(3)=18+15

f(3)=33

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F (x) = 2x . x + 5x
f (3) = 2(3) . 3 + 5(3)
f (3) = 6 . 3 + 15
f (3) = 18 + 15
f (3) = 33