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Or Precalculus

Unit: Get ready for trigonometry
x
Unit test
f is a trigonometric function of the form f(x) = a cos(bx + c) + d.
Below is the graph of f(x). The function has a maximum point at (pi, 9) and a minimum point at
(3pi/4, 1)
Find a formula for f(x). Give an exact expression.

1 Answer

1 vote

Answer:

4cos(4x-4pi)+5

Explanation:

It was from khan

User Aprill
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