F(n) = 5•(-2) n - 1
Complete the recursive formula of f(n).
f(1) =
f(n) = f(n-1).

The area of a circle is equal to 1 dm². find the radius of the circle.

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

The slope of the line passing through the points (2, 7) and (-4, 8) is