16 -- x
16/x
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: 1x\frac{1}{x}x1 goes to −1x2- \frac{1}{x^{2}}−x21
So, the result is: −16x2- \frac{16}{x^{2}}−x216
The answer is:
-16 ---- 2 x
32 -- 3 x
-96 ---- 4 x