Find the sum of the series.

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the equation.Solve cos2? - 0.21 = 0.53 for ?, where ? is an acute angle. Approximate ? to the nearest tenth of a degree.

A. 20.3° B. 42.3° C. 30.7° D. 55.6°

Mathematics

Solve the problem.Estimate graphically the local maximum and local minimum of f(x) = x .

A. Local maximum: -.35; no local minimum B. No local maximum; local minimum: -.35 C. Local maximum: -.35; local minimum: -1.09 D. No local maximum; local minimum: -1.09

Mathematics

Find the indicated limit, if it exists.f(x), f(x) = 

A. -12 B. -8 C. -4 D. The limit does not exist.

Mathematics

Determine whether the system of equations is consistent or inconsistent. If the system is consistent, determine whether the equations are dependent or independent.

A. Inconsistent B. Independent C. Dependent

Mathematics