Find the intervals on which the function is continuous.y = 

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.Find the volume generated by revolving the curve y = cos 2x about the x-axis, 0 ? x ? ?/12

A.
B.  + 
C.  + 
D.  + 

Mathematics

Convert the temperature. Give your answer to the nearest tenth of a degree.49°F =    °C

A. 120.2°C B. 56.2°C C. 9.4°C D. 4.8°C

Mathematics

Find the mode.91, 25, 91, 13, 25, 29, 56, 91

A. The mode is 52.6. B. The mode is 91. C. The mode is 42.5. D. The mode is 25.

Mathematics

Let . Sketch the region R under the graph of  f on the interval [0, 4], and use a Riemann sum with four subintervals of equal length  to approximate the area of R. Choose the

representative points to be the right endpoints of the subintervals.
?

A. ?

Area approximation with a Riemann sum with four subintervals is 28 sq units.

?


B. ?

Area approximation with a Riemann sum with four subintervals is 36 sq units.

?


C. ?

Area approximation with a Riemann sum with four subintervals is 32 sq units.

?


D. ?

Area approximation with a Riemann sum with four subintervals is 40 sq units.

?


Mathematics