Evaluate the integral. 
(Give your answer in exact form.)
A. 
- 
B. 
- 
C. 
D. 
- 
Answer: D
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Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 45
B. 20
C. 
D. 30
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|-9 ? x ? 9} range: {y|-9 ? y ? 9} intercepts: (-9, 0), (0, -9), (0, 9), (9, 0) symmetry: x-axis, y-axis B. function domain: {x|-9 ? x ? 9} range: {y|-9 ? y ? 9} intercepts: (-9, 0), (0, -9), (0, 0), (0, 9), (9, 0) symmetry: origin C. function domain: {x|-9 ? x ? 9} range: {y|-9 ? y ? 9} intercepts: (-9, 0), (0, -9), (0, 9), (9, 0) symmetry: x-axis, y-axis, origin D. not a function
For the equation, create a table, -3 ? x ? 3, and list points on the graph.y = x + 4
A. 
(-3, 1), (-2, 2), (-1, 3), (0, 4), (1, 5),
(2, 6), (3, 7)
B. 
(-3, -7), (-2, -6), (-1, -5), (0, -4), (1, -3),
(2, -2), (3, -1)
C. 
(-3, -1), (-2, -2), (-1, -3), (0, -4), (1, -5),
(2, -6), (3, -7)
D. 
(-3, 7), (-2, 6), (-1, 5), (0, 4), (1, 3), (2, 2),
(3, 1)
Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.12x2 - 17xt + 6t2
A. (3x - 2t)(4x - 3t) B. (12x - 2t)(x - 3t) C. (3x + 2t)(4x + 3t) D. prime