Indicate whether the function is one-to-one.{(13, -15), (11, -5), (5, 3)}
A. No
B. Yes
Answer: B
Mathematics
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cos 3°
A. 0.99 B. -0.99 C. 1.00 D. -1.00
Mathematics
Use Pythagorean identities to find the indicated function value.csc ? = -7, 180° < ? < 270°; find cot ?
A. 8
B. 4
C. 6
D. 5
Mathematics
Solve.One maid can clean the house three times faster than another. Working together they can clean the entire house in 3 hours. How long would it take the faster maid cleaning alone?
A. 5 hr
B. 
hr
C. 3 hr
D. 4 hr
Mathematics
Find the probability.A box contains 3 white, 2 green, 2 red, and 1 blue marble. A marble is drawn at random and then a second marble is drawn without replacing the first. Find the probability that both marbles are blue.
A. 
B. 
C. 0
D. 
Mathematics