Hey I really need help with my calc homework. Please help me!

A drug taken orally is absorbed into the bloodstream at the rate of tie0'5t milligrams per hour, where t is the number of hours since the drug was taken. Find the total amount of the drug absorbed during the rst 7 hours. (Round your answers to two decimal places.) mg absorbed amount absorption rate (a) Solve without using a graphing calculator. l m9 (b) Verify your answer to part (a) using a graphing calculator. l m9