Question

) Dada a função f(x) = x2 + 3x, determine: a) f(2) = b) f( -2 ) = c) f(5) = d) f(3) =​

Answer 1

A) f(2) =2.2+3.2=10
B) f(-2) = (-2).2 +(-2).3=-4+(-6)=-10
C)f(5) =5.2+3.5=25
D) f(3) = 3.2+3.3= 15