Can I have help I am stuck on this problem It would mean the world if u helped me and tysm!! =-)

Which of the following is true for the relation f(x)=2x^2+1

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

Perform the indicated operation. y^2 + 3y - 10 / 3y + 15