# trig question in four parts

Apr 13th, 2015
Anonymous
Category:
Mathematics
Price: \$15 USD

Question description

Given: y = cos(Bx − C) + D. Throughout the day the depth of water at the end of a pier varies with the tides. High tide occurs at 4:00 a.m. with a depth of 6 meters. Low tide occurs at 10:00 a.m. with a depth of 2 meters.

1.  Model the problem by using the given trigonometric equation to show the depth of the water hours after midnight, showing all your work.

2.  Solve the problem by finding the depth of the water at noon, explaining your reasoning.

3.  A large boat needs at least 4 meters of water to secure it at the end of the pier.

a.  Determine what span of time after noon, including both a starting and ending time, the boat can first safely be secured, justifying your answer.

(Top Tutor) Katrina S
School: UCLA

Studypool has helped 1,244,100 students

Review from student
Anonymous
" Totally impressed with results!! :-) "

1825 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors