Answer:
The rate of change: 75
Step-by-step explanation:
We know the side length is 5, so x equals to 5.
We can then use the formula shown in the image, (V'(x) = 3x^2)
And place 5 into it, making it V'(5) = 3 x 5^2
5 squared equals to 25 (5 x 5)
3 times 25 equals to 75
The answer will be 75