Have you been given a table, or access to a table, of integrals?

But, f(x) = Sqrt(16 - x^2), or y = Sqrt(16 - x^2), are circles. That appears to be what the OP is about.

Have you been given a table, or access to a table, of integrals?

But, f(x) = Sqrt(16 - x^2), or y = Sqrt(16 - x^2), are circles. That appears to be what the OP is about.