Suppose y = 48 + 3(2n - 1) is an explicit representation of an arithmetic sequence for integer values n ≥ 1. find the xth partial sum of the series, as a quadratic function, where x represents the term number.

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

What is the value of x? enter your answer in the box.