Indicate whether the statement is true always, sometimes, or never.A complex number is an imaginary number.
A. Always
B. Sometimes
C. Never
Answer: B
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Solve the problem.Find parametric equations for the normal line to the surface at the point
A.
B.
C.
D.
Find the product.(-17)(-22)
A. + 374 B. - 39 C. - 374 D. + 391
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree 3: zeros: 1 + i and -9
A. f(x) = x3 + 7x2 - 16x + 18 B. f(x) = x3 + x2 - 16x + 18 C. f(x) = x3 + 7x2 + 18x - 16 D. f(x) = x3 -9x2 - 16x - 12
Find the mean, variance, and standard deviation of the normal density function . Do not use integration.
?
A. expected value (mean): -3variance: 36standard deviation: 6? B. expected value (mean): 36variance:-3standard deviation: 6? C. expected value (mean): 36variance: 6standard deviation: -3? D. expected value (mean): 6variance: -3standard deviation: 36? E. expected value (mean): -3variance: 6standard deviation: 36?