Question

qual o valor do zero da função f (x) = -3x+x+2

Answer 1

f(x)=0

f(x)=-3x+x+2

0=-3x+x+2

0=-2x+2

x=1

então

f(x)=-3x+x+2
f(1)=-3*1+1+2
f(1)=-3+1+2
f(1)=0