Question

PLEASE HELP! Find the derivative of f(x) = negative 9 divided by x at x = 12

Answer 1

1/16

Explanation:

This can be written as -9x^-1

You can then simplify to 9x^-2

Then simplify again to 9/x^2

x^2=144 so 9/144

Simplify to get your final answer 1/16

Answer 2

sorry if this is wrong but i'm pretty sure that it's 1/16