Isolate the term with
.

Differentiate both sides with respect to
.

By the product and chain rules,

Solve for the partial derivative, then evaluate at
.


Answer: There is none.
Step-by-step explanation: While 11 is the formula, an explicit formula is a sequence to the nth power, of which there is none. The only 2 numbers listed that have an explicit formula are -25 and -36.
Answer:
A
Step-by-step explanation:
150 bucks -120 for 30 then divide 5 is 6