Given the function f(x)=(1/3x^3) -400x, find any extrema and points of inflection using derivatives

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)