CPM Homework Help : CALC Problem 7-101

Brooke and Anne came across this integral: $y = \int d x$ . Brooke says it cannot be evaluated because there is nothing to integrate. Anne says the answer is $y = x + C$ . Who is correct and why?

Hint:

An integral is the sum of infinitely many rectangles with infinitely small widths.
The base of each rectangle is represented as $dx$ . The height is the integrand.
Though you cannot see the integral and, it is there.