Integrate the function.

A.  sin4 x -  cos8 x + C
B.  + C
C.  sin6 x -  sin8 x + C
D.  cos4 x -  cos6 x + C


Answer: C

Mathematics

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Expand. Assume that all variables represent positive real numbers.log4 

A. log4 x - log464
B. log4 x - 3
C. log4 - 3 log44
D. log4 - log464

Mathematics

Find the equation of a line with the properties given. Write the equation in the form indicated.Through (5, 3) and parallel to the line whose equation is ;function notation

A. f(x) = - x + 4
B. f(x) = - 5x - 20
C. y = - x - 4
D. y = x - 4

Mathematics

Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.In a certain medium, sound travels at a speed of 7929 feet per second. How many meters per second does sound travel in this medium? Round to the nearest tenth.

A. 7215.4 m/s B. 26,007.1 m/s C. 3092.3 m/s D. 2378.7 m/s

Mathematics

Find the slope-intercept form of the equation of the line with the given properties.x-intercept = 7; y-intercept = 3

A. y = - x + 7
B. y = - x + 3
C. y = x + 3
D. y = - x + 7

Mathematics