Answer:
a)=+2 b)=1
Step-by-step explanation:
A positive plus a negative is equal to a positive a
It's number three, I'm sure.
-3
consider f(x)=y
y=-3x+7
compare with y=mx+c
slope m=-3
(5,0) & (3 , -1)
Solution is the points where the parabola and line intersects.
