The image of the reflection of (-4, -7) over the y-axis can be calculated considering the reflection rule.
For a reflection over the x-axis, the rule is:
Point Reflected point
(x, y) >>>> (-x, y)
So, for the point (-4, -7),
The image is
x = -x
x = -(-4) = 4
y = y
y = -7
And the image is (4, -7).
Answer: Alternative C.