Solve the inequality. Give the solution set in both interval and graph forms. < 

A.


B.


C.


D.



Answer: D

Mathematics

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Find the exact value of the trigonometric expression without the use of a calculator.If tan ? = , ? < ? <  and cos ? = -  < ? < ?, find the exact value of sin (? + ?).

A.
B.
C.
D.

Mathematics

The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 3 sin (5t)

A. simple harmonic; -3 m;   ? sec;   oscillations/sec
B. simple harmonic; 3 m;   sec;   ? oscillations/sec
C. simple harmonic; 3 m; 5 ? sec;   oscillations/sec
D. simple harmonic; 3 m;   ? sec;   oscillations/sec

Mathematics

Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximate value rounded to two decimal places.

A. irrational; 2.65 B. not a real number C. rational; 6 D. rational; -6 and 6

Mathematics

Use the definite integral to find the area between the x-axis and f(x) over the indicated interval.f(x) = x2 + 1; [0, 1]

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B.
C.
D.

Mathematics