Solve the absolute value inequality. Write your answer in interval notation.|7x| ? 3

A.
B.
C.
D.


Answer: A

Mathematics

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Perform the indicated operations.-4.2 + (-8.4) + (-8.3)

A. 4.1 B. -12.5 C. 4.3 D. -20.9

Mathematics

Solve the problem.Find the derivative of the function    at the point    in the direction in which the function decreases most rapidly.

A. -
B. -3
C. -
D. -

Mathematics

Entomologists have discovered that a linear relationship exists between the number of chirps of crickets of a certain species and the air temperature. When the temperature is 60° F, the crickets chirp at the rate of 120 times/minute, and when the temperature is 70° F, they chirp at the rate of 150 times/minute. Find an equation giving the relationship between the air temperature T and the number of chirps/minute N of the crickets. ? 

A.
B.
C.
D.
E.

Mathematics

Perform the desired operation. Write the answer in the form a + bi.5(3 - 6i)

A. 15 - 30i B. 3 - 30i C. 15 + 30i D. 15i - 6i

Mathematics