Answer:
5
Step-by-step explanation:
Look at one of the coordinates to find k. For this example I'll look at the y-intercepts (0, 3) (for g(x)) and (0, -2) (for f(x))
g(0) = 3
g(0) = f(0) + k
3 = -2 + k
5 = k
=(-17) - 4
=(-17) + (-4)
=(-21)

Step-by-step explanation:
The Standard Form of the equation of line is given by:

So:

The x-intercept can be found setting
:

<h2>Learn more:</h2>
Parabola: brainly.com/question/10605728
#LearnWithBrainly