Identify the terms in the polynomial.9n4 - 13n3 - 8n + 25
A. 9n4, -13n3, 8n, 25
B. 9n4, -13n3, -8n, 25
C. 9, n4, -13, n3, -8, n, 25
D. 9n4, 13n3, -8n, 25
Answer: B
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Use the total differential dz to approximate the change in z as (x, y) moves from P to Q. Then use a calculator to find the corresponding exact change ?z (to the accuracy of your calculator).4x3y2; P(1, 1), Q(1.01, 0.99)
A. dz = 0.04; ?z = 0.0381920404 B. dz = 0.04; ?z = 0.0391920404 C. dz = 0.03; ?z = 0.0391920404 D. dz = 0.04; ?z = 0.0416920404
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -
B. -
C. -3
D. -
Factor when possible.x2 + 8x - 48
A. x2 + 8x - 48 B. (x - 12)(x + 1) C. (x + 12)(x - 4) D. (x - 12)(x + 4)
Solve.A box is made from a rectangular piece of metal with length 12 inches and width 10 inches. The box has no top. 
Find a polynomial that gives the volume of the box for a given x.
A. 4x2 - 44x + 120 B. 120x C. 4x3 - 44x2 + 120x D. 4x3 + 44x2 + 120x