19 Exam: 09.09 Parametric, Polar, an X BC DBA 7 student.pdf - Google D X C https://learn.flvs.net/educator/student/examform.cgi?fchen7*abbymalloy*sit=HRiAW8DZESewA*5230*0092**passedonce** P A O ... FLVS Lessons Assessments Gradebook Email *Tools My Courses & Abby Warning There is a checkbox at the bottom of the exam form that you MUST check prior to submitting this exam. Failure to do so may cause your work to be lost. Question 1 (Essay Worth 40 points) (09.01 HC) A projectile is launched so that its velocity in feet per second at t seconds is given by the parametric equations x '(f) = 62cos(0.44) and y '(t) = 62sin(0.44) - 9.8t. Part A: At what time does the projectile reach its maximum height? Justify your answer. (10 points) Part B: Show that the path of the projectile is concave down. (15 points) Part C: Determine the distance traveled by the projectile after 2 seconds. (15 points) X X B Q X 2 Source V C B I US XX IX 1 : | |: ") = = = |Styles . Format - Font - Size - A- A - ? Choose File | No file chosen Previous Question Question 1 (Not Answered) 0 Next Question19 Exam: 09.09 Parametric, Polar, an X \\ BC DBA 7 student.pdf - Google D X X C https://learn.flvs.net/educator/student/examform.cgi?fchen7*abbymalloy*sit=HRiAW8DZE8ewA*5230*0092**passedonce** A O ... FLVS Lessons Assessments Gradebook Email *Tools My Courses & Abby Question 2 (Essay Worth 30 points) (09.05 HC) Let f(0) = 4 - cose for 0 5 0 s 2TT. Part A: At what value of 0 does f(0) reach a maximum? (10 points) Part B: Determine the equation of a line tangent to f(0) at @ = 4. Leave your answer as an exact value in point-slope form. (10 points) Part C: At what value of @ is the tangent line to f vertical? (10 points) * + 8 02 X Source V C B I U SX2 X2 X 13 : | 97 : = = |Styles Format Font - Size - A- A - ? Choose File | No file chosen Previous Question Question 1 (Not Answered) 0 Next