Perform the indicated operation.Let A = . Find 2A.

A.

B.

C.

D.


Answer: C

Mathematics

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Determine an appropriate domain of the function. Identify the independent and dependent variables.A cylindrical water tank with a radius of 11 feet and a height of 68 feet is filled to a height of h. The volume V of water (in cubic feet) is given by the function g(h) = 121?h.

A. D = [0, 68] The independent variable is h. The dependent variable is V. B. D = [0, 8,228?] The independent variable is V. The dependent variable is h. C. D = [0, 68] The independent variable is V. The dependent variable is h. D. D = [0, 121] The independent variable is h. The dependent variable is V.

Mathematics

Use a graph or a table to find the limit.

A. ? B. 0 C. -? D. 2

Mathematics

Write the expression as sums or differences of multiples of logarithms.log6

A. log6
B. log65
C. log67 + log63 - log65
D. log621 - log65

Mathematics

Solve the problem. Round the answer to the nearest hundredth.A pendulum has a length of 2.6 feet. Find its period. Use the formula T = 2?.

A. 1.79 sec B. 0.9 sec C. 1.27 sec D. 2.24 sec

Mathematics