Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.; Find cos ?.

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the equation for the unknown quantity x.log10x = -1.3

A. 0.0501 B. -14.3 C. -13 D. 0.2725

Mathematics

Provide an appropriate response.Which of the following statements defines f(x) = ??I. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0 + ?.II. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 < x < x0 + ?.III. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0.

A. II B. III C. I D. None

Mathematics

Solve.In a practice run, a race car driver's speed is clocked at 141.535 mph at the end of his first lap, and at 164.382 mph at the end of the next lap. How much faster was he driving at the end of the second lap?

A. 22.857 mph B. 23.847 mph C. 22.747 mph D. 22.847 mph

Mathematics

For the given functions f and g, find the requested function.f(x) = 5x + 1; g(x) = 6x - 1Find (x).

A. (x) = , where x ? - 
B. (x) = , where x ? - 
C. (x) = , where x ? - 
D. (x) = , where x ? 

Mathematics