Solve the equation.s + 1 = 8
A. 7
B. -7
C. -9
D. 9
Answer: A
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Find the flux of the vector field F across the surface S in the indicated direction.F = 9xi + 9yj + zk; S is portion of the plane x + y + z = 8 for which 0 ? x ? 3 and 
direction is outward (away from origin)
A. 576 B. 288 C. - 144 D. 252
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 146 + 0.25x, where x is the number of miles driven. Find the slope of the graph of this function and interpret it as a rate of change.
A. 0.25; The cost of the rental car decreases by $0.25 for each mile driven. B. 146; The cost of the rental car decreases by $0.25 for each mile driven. C. 0.25; The cost of the rental car increases by $0.25 for each mile driven. D. 146; The cost of the rental car increases by $146 for each mile driven.
Provide an appropriate response.(x3 + 3x - 6) ÷ (x + 2) =
A. x2 - 2x + 7 - 
B. x2 + x - 2 - 
C. x2 + 1 - 
D. x2 + 3x - 3
E. x2 + x + 7 + 
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 5 intersect the graph?
A. once B. twice C. three times D. does not intersect