25/12
Step-by-step explanation:
4/3 - (-3/4)
= 4/3 + 3/4
then you make them have the same denominator by multiplying by the other one.
4x4/3x4
3x3/4x3
16/12+9/12
=25/12
f(x) = y
f(-3) = -5
step-by-step explanation: