Find the reciprocal, if it exists.

A. No reciprocal
B.
C. 5x
D.


Answer: C

Mathematics

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Use a linear model to solve the application problem.The amount that a spring is stretched when a load is applied varies directly with the amount of the load. If a load of 60 pounds stretches a spring 4 inches, how much will the spring stretch if a load of  is applied?

A. 6.2 inches B. 108 inches C. 3.1 inches D. 78 inches

Mathematics

Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.a = 23.67 m, b = 9.41 m

A. c ? 25.5 m, A ? 68.3°, B ? 21.7° B. c ? 25.5 m, A ? 21.7°, B ? 68.3° C. c ? 25.47 m, A ? 21.68°, B ? 68.32° D. c ? 25.47 m, A ? 68.32°, B ? 21.68°

Mathematics

For the pair of functions, find the indicated domain.f(x) = x2 - 36, g(x) = 2x + 3Find the domain of g/f.

A. (-?, -6) ? (-6, 6) ? (6, ?)
B.  ? 
C.
D. (-?, ?)

Mathematics

Graph the function.y = cot (?x)

A.

B.

C.

D.

Mathematics