Provide an appropriate response.The length of a screw is 2.625 in. Represent this length as a mixed number.
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: A
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Solve the problem.One conveyor belt can move 1000 boxes in 12 minutes. Another can move 1000 boxes in 11 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
min
B. 6
min
C. 1
min
D. 
min
The scalar function div(grad f) = ? ? ? f (also written ?2f) is called the Lapalacian, and the function f satisfying ?2f = 0 is said to be harmonic. ?2f = fxx + fyy + fzz. Find ?2f for the following function and decide if it is harmonic.f(x, y, z) = x2y2z2
A. harmonic B. not harmonic
Round the number 58.315201 to thousandths.
A. 58.3152 B. 58.315 C. 58.32 D. 58.314
Determine a window which gives a complete graph of the polynomial function.f(x) = 2x4 + 2x3 - 4x2 - 3x - 6
A. [-3, 3] by [-10, 5] B. [-3, 3] by [-3, 4] C. [-2, 2] by [-10, -5] D. [-5, 5] by [-2, 1]