Match the function with its graph.1) y = - tan 2) y = tan 3) y = - cot 4) y = cot A)  B) 0.0px;" height="224" width="224" />C)  D)  



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

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

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

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

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Answer: B

Mathematics

Find the product. Be sure to indicate the units for the answer. Round approximate answers to the nearest tenth. ? 

A. 5,520 rad/hr B. 5,520 rad/sec C. 552 rad/hr D. 120 rad/hr

Look at the following function. (a) Is the function one-to-one? (b) If so, find the inverse of the function.A = {(7, -3), (8, -3), (9, -9), (10, -6)}

A. (a) not one-to-one (b) Inverse cannot be found B. (a) one-to-one (b) {(-3, 7), (-3, 8), (-9, 9), (-6, 10)}

Find the requested polynomial. Find a polynomial of degree 4 with roots {5, 5, , -} and f(0) = -150

A. f(x) = x4 - 10x3 + 19x2 + 60x - 150 B. f(x) = x3 + 5x2 - 6x - 30 C. f(x) = x4 + 10x3 - 19x2 - 60x + 150 D. f(x) = x3 - 5x2 - 6x + 30

Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model  where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many days must elapse for 500 to have heard the rumor?

Fill in the blank(s) with the appropriate word(s).