Answer:
a = 4
b=-12
Explanation:
For h(x) to be continuous, h(2) = -4 and h(5) = 8. a represents the slope of the line, which can be found using
=
, so a = 4.
Now we can use our known values and either point to solve for b.
Using h(2) = -4:

So, a = 4 and b = -12.