Answer:
x = 
Step-by-step explanation:
Start by using P.E.M.D.A.S.
-8 is a 2x is b and -4
is c.
3x+7=13
move +7 to the other side
sign changes from +7 to -7
3x+7-7= 13-7
3x= 6
divide by 3 for both sides
3x/3= 6/3
x=2
Answer : x= 2
Slope is just tangent of the graph
Answer:
h(-3) = -3
Step-by-step explanation:
h(-3) = -(-3)2 + 3(-3)
h(-3) = 6 - 9
h(-3) = -3