Answer:
6
Step-by-step explanation:
The equation can be made more clear by changing the form.
g(h(0)) = ?
All we have to do is find the y values for an x value of 0
h(x) = x^2 - 3
h(0) = 0^2 - 3
h(0) = -3
So now we plug in -3 for g(x)
g(x) = -2x
g(-3) = -2(-3)
g(-3) = 6
