Consider the function f(x)=-5x^2 +2x -8. find the critical point a of the function

Find the balance at the end of 4 years if 1000 is deposited at the rate of

How many days was the temperature above 90 degrees?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio