Answer:
2
Step-by-step explanation:
slope = (y₂ - y₁) / (x₂ - x₁)
= (-11 - (-1)) / (4 - 9)
= -10 / -5
= 2
C , -2
Replace X in the equation with 2
f(2) = 5(2) - 12
f(2) = 10-12
f(2) = -2
x=6
3x-5=2x+1
x-5=1