Question

Calcule f ( 5 ) em f ( x ) = -2x+6

Answer 1

f(5)= -2.5+6

f(5)=-10+6

f(5)=-4

Answer 2

Oie, tudo bom?

$f(x) = - 2x + 6 \\ f(5) = - 2 \: . \: 5 + 6 \\ f(5) = - 10 + 6 \\ \boxed{f(5) = - 4}$

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