Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 6
B. 24
C. 12
D. 48
E. none of these
Answer: C
Mathematics
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Using the derivative of f(x) given below, determine the critical points of f(x).f'(x) = (x + 5)2 e-x
A. -5 B. 5 C. -5, -3 D. -3
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Find the values of x for which the function is continuous.
?
?
A. 
B. 
C. 
D. 
E. 
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Find an equation of the circle satisfying the given conditions.Center at (0, -1), radius 6
A. x2 + (y - 1)2 = 6 B. (x - 1)2 + y2 = 36 C. x2 + (y + 1)2 = 36 D. (x + 1)2 + y2 = 36
Mathematics
Solve.Find the volume of a rectangular box 6 inches by 8 inches by 4 inches.
A. 128 cu in. B. 192 cu in. C. 144 cu in. D. 384 cu in.
Mathematics