Find the margin of error for the survey results described. In a survey of 659 employees of a large company, 34% said that they had high job satisfaction.Give your answer as a decimal to three decimal places.
A. 0.078
B. 0.002
C. 0.039
D. 0.019
Answer: C
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3)
Solve by using the quadratic formula.2m2 + 10m + 4 = 0
A. 
B. 
C. 
D. 
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Round to the given value. $99.52
dollar
A. $100 B. $90 C. $0 D. $99.60