1.
Perpendicular. y=3x+4
Parallel. y=-1/3 x-8/3
2.
Perpendicular. y=-x-1
Parallel. y=x+11
3.
Perpendicular. y=7/4 x+8
Parallel. y=-7/4 x-9/7
4.
Perpendicular. y=4/5 x-3
Parallel. y=-5/4 x+35/2
yeesh, that took a while :) hope I helped!
Answer:
- 10
Step-by-step explanation:
Evaluate f(3) by substituting x = 3 into f(x) , that is
f(3) - 7 = - (3)² + 2(3) - 7 = - 9 + 6 - 7 = - 10