one+ur 0 abeled Quiz: 4.2 Quiz This Question: 1 pt after 1 second. 9 of 10 (8 complete) Time Remaining: 00:49:19 Submit O His blood pressure after 1

Please explain this to me, I have gotten it wrong 3 times.

one+ur0abeledQuiz: 4.2 QuizThis Question: 1 ptafter 1 second.9 of 10 (8 complete)Time Remaining: 00:49:19Submit OHis blood pressure after 1 second is 117A person's blood pressure (in millimeters of mercury) while resting is given by the function R(t) = 25 sin (2xt) + 90, where I is time in seconds. Find his blood pressureThis Quiz: 10 pts possityour answer in the answer box.More?