Answer:

Step-by-step explanation:
1.3n (it can be simplified like any other equation just add like terms and remember there is a one before every variable)
<u>The answer is C</u>. This is because the square of 8 is 64 and the square of 9 is 81. The only number in between those choices is C; 71.
Hope this helps :)
(mind giving me brainliest answer? it helps!)
Explanation

When taking derivatives of polynomials, we primarily make use of the power rule.
Power rule.

also, the derivate of a sum is the sum of the derivates
hence

Step 1
apply:

therefore, the answer is
B jxkdjxjzjzkskslsmxndd she k