What is the rate of change of r with respect to i

Question

Problem

1. The return R on a sum M invested at i per cent for 3 years is given by the formula

R = M(1 + i)³

What is the rate of change of R with respect to i?

2. If y = (3 + 0.6x²)^0.5 what is dy/dx?

The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.