
Let
, so that differentiating both sides wrt
gives

If
and
, the above reduces to

This is the slope of the tangent line, which has equation

$60
400 ÷ 7 = 57. 1428571429
Since that's not an option we estimate it. The closest number is $60 so, there's your answer!
I hope this helps! sorry if it's wrong :(
~ Kana ^^
Answer:
265.50000
Step-by-step explanation:
Answer: Mean- 17
Median- 15
Mode- 18
Step-by-step explanation: Your welcome. Branliest, please.