Write the equation of the line with the given slope and y-intercept.Slope = 9.5, y-intercept = -4
A. y = -4x + 9.5
B. y = 4.5x - 9
C. y = -9.5x + 4
D. y = 9.5x - 4
Answer: D
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Solve the problem.A construction crane lifts a bucket of sand originally weighing 
at a constant rate. Sand is lost from the bucket at a constant rate of
. How much work is done in lifting the sand 
? (Neglect the weight of the bucket.)
A. 9600 ft ? lb B. 8700 ft ? lb C. 7800 ft ? lb D. 6900 ft ? lb
Solve the problem.Write an iterated triple integral in the order 
for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
Find the slope of the line. y = 8x + 5
A) m = -8 B) m = 9 C) m = 12 D) m = 8 E) m = 5
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 51x - 0.3x2 B. R(x) = 50x - 0.6x2 C. R(x) = 51x + 0.3x2 D. R(x) = 53x - 0.3x2