Consider the normal distribution given below and assume that P is a point of inflection of the curve.
Find the standard deviation ? of the distribution.
A. 81 m
B. 34 m
C. 50 m
D. 47 m
E. 115 m
Answer: B
Mathematics
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Find the area.Find the area under the curve y = 
bounded on the left by x = 3.
A. 1
B. 
C. 
D. 4
Mathematics
Find the slope of the line tangent to the graph of the function at the given value of x.y = x4 + 2x3 - 2x + 2; x = -1
A. 0 B. -7 C. 2 D. -5
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r = -2 cos ?; the polar axis
A. May or may not be symmetric with respect to the polar axis B. Symmetric with respect to the polar axis
Mathematics
Determine whether the relation defines y as a function of x. Give the domain.y = 
A. Not a function; domain: (-?, -17) ? (-17, 0) B. Function; domain: (-?, -17) ? (-17, ?) C. Not a function; domain: (-?, ?) D. Function; domain: (-17, 17)
Mathematics