(Answered):Mathematics 90 . . . .

Question Description

please check attachment for full test

The Summary of Formulas and Trigonometric Tables from the Appendix is included for your use during the test.

____ 1.
a.

What is the phase shift of y = cos (x + )? to the right

b.

c.

d.

to the left

to the left

to the right

____ 2.

____ 3.

____ 4.

Between what values of x is cos x a increasing function?

1. Betweenx=(2n–1) and1n ,wherenisanyinteger.
2. Between x = 2n and 2n, where n is any integer.
3. Betweenx=(2n and2n–1 ),wherenisanyinteger.
4. Betweenx=(2n–1) and2n ,wherenisanyinteger.

Find the inverse of h = {(5,1), (4, 8), (3, 7), (9, 3)}.

1. {(5,1), (4,
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