Match the given function to its graph.1) y = sin (x - )2) y = cos (x + )3) y = sin (x + )4) y = cos (x - )A  B 

height="201" width="200" />C D 



A. 1A, 2B, 3C, 4D

B. 1C, 2A, 3B, 4D

C. 1B, 2D, 3C, 4A

D. 1A, 2D, 3C, 4B

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Answer: B

Mathematics

Find . Express the answer in standard form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)

A. -10 + 10i
B. -  + i
C. -2 + 2i
D. -  + i

Refer to right triangle ABC with . Solve for all the missing parts using the given information.

?  inches,  inches ? Apply the rules regarding the use of significant digits when determining your answer. ? __________ ? __________ ? __________ inches What will be an ideal response?

Find the sum.Find the sum of the first 70 terms of the arithmetic sequence: -10, -3, 4, 11, . . .

A. 480 B. 16,215 C. 16,450 D. 16,205

Solve the pair of linear equations by addition.

What will be an ideal response?