Question

sendo f(x) = 3x - 5 calcule f (3) + F(1)

Answer 1

3×3-5=4
3×1-5=-2
4+(-2)
4-2
2

desculpa se estiver errado

Answer 2

f(3)=3.3-5
f(3)=9-5
f(3)=4

f(1)=3.1-5
f(1)=3-5
f(1)=-2

f(3)+f(1)=2