Please help calculus question urgent

C

Step-by-step explanation:

We are given that:

And we want to find k'(3).

So, let's find k'(x). Take the derivative of both sides. This will require the Quotient Rule. Hence:

We want to find k’(3). Substitute:

Using the table, make the appropriate substitutions:

Evaluate:

Therefore, our answer is C.  

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

the answer is: the length is 5/6 yards.

give me a or a 5 star rating if this is correct!

step-by-step explanation: