Simplify the algebraic expression.3(4v2 + 9) - (7v2 - 3)
A. 5v2 + 30
B. 19v2 + 12
C. 19v2 + 6
D. -5v2 + 24
Answer: A
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Determine whether the graph is a tree.
A. No B. Yes
Solve the problem.A rectangular box with volume 345 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost of the box as a function of x. Give the function and state its domain.
A. C(x) = 3x2 + 
Domain: {x| x > 0}
B. C(x) = 4x + 
Domain: {x| x > 0}
C. C(x) = 3x2 + 
Domain: {x| x > 4}
D. C(x) = 2x2 + 
Domain: {x| x < 10}
Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. -x - y - z = 2 x + y + z = -8 x + y - z = -6
A. Dependent B. Independent C. Inconsistent
Provide the proper response.You are applying the second derivative test and you find that 
and f''(a) = 0. What does that tell you? What would be your next step?
What will be an ideal response?