Graph the solution of the system.3x - y ? -9x + 2y ? -6

A.

B.

C.

D.


Answer: C

Mathematics

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Solve the given applied problems involving variation.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 479 vibrations per second and a wavelength of 8.8 ft. Find the wavelength of another tone that has a pitch of 492 vibrations per second.

A. 0.000037 ft B. 0.12 ft C. 26,780.5 ft D. 8.6 ft

Mathematics

Rewrite the expression in terms of exponentials and simplify the results.14 cosh (ln x) + 12 sinh (ln x)

A. 0
B. 13x + 
C. 13
D. 13x

Mathematics

Determine whether the following is a statement. If it is, then also classify the statement as true or false.The state of California is in North America.

A. Not a statement B. False statement C. True statement

Mathematics

Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 4 - (x - 2)5 

A.

B.

C.

D.

Mathematics