Solve the equation. +  = 4

A. {, -2}
B. {0} 
C. {-2} 
D. {2, -2}


Answer: C

Mathematics

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Solve the problem.Let f(x) = sin x. Find the order n of the Maclaurin polynomial required to approximate f on [- 0.5, 0.5] with an error no more than 0.009.

A. n ? 1 B. n ? 3 C. n ? 2 D. n ? 5

Mathematics

Solve the problem.The fluctuation in power (in W) in a microlamp was measured five times, and the measured values were 60.10, 59.93, 60.16, 60.03, and 59.82. Find the standard deviation and variance for the data. Round the results to the nearest thousandth.

A. s = 0.271, v = 0.073 B. s = 0.121, v = 0.015 C. s = 0.015, v = 0.001 D. s = 0.224, v = 0.050

Mathematics

Find the product.-19(0)

A. 0 B. -19  C. 19 D. -38

Mathematics

Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.

A. Arithmetic; d = 
B. Geometric; r = 
C. Geometric; r = 
D. Neither

Mathematics