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Home Page : Existing Math Lessons : Feb 6th Activity: Int3

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Author Topic: Feb 6th Activity: Int3 Admin Posted: 05-Feb-19 14:47   Edit   Mail   Profile   You must show work to get credit for this activity, except for parts IV and V below. I. Go to http://www.mathguide.com/cgi-bin/quizmasters2/TA1.cgi and correctly do three problems. II. Go to http://www.mathguide.com/cgi-bin/quizmasters2/TA2.cgi and do one problem. III. Go to http://www.mathguide.com/cgi-bin/quizmasters2/TA3.cgi and do one problem. IV. Go to http://www.mathguide.com/cgi-bin/quizmasters2/TA4.cgi and do five problems. V. Go to http://www.mathguide.com/cgi-bin/quizmasters2/TA5.cgi and do five problems. VI. Determine the amplitude, period, phase shift, and vertical shift of f(x)=-2 sin⁡3x+1. Then sketch its graph. Write the range of this sine function. VII. Go to http://www.mathguide.com/cgi-bin/quizmasters2/GT1.cgi and correctly do one problem. VIII. Go to http://www.mathguide.com/cgi-bin/quizmasters2/GT3.cgi and do two problems. IX. Solve this problem. “Suppose in between low and high tides, the water level varies 26 inches. Low tide occurs at 9am and high tide occurs at 1pm. Using the times and the amount the water level varies find a cosine function that models the water level in inches above and below the average water level. Express the function in terms of time, t since 9am.

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