Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -7 or x = -1
B. discontinuous only when x = -1
C. discontinuous only when x = -8
D. continuous everywhere
Answer: D
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Solve the problem.Consider a project consisting of nine tasks (A through I) with the following processing times (in hours): 
D(3), E(6), F(4), G(8), H(7), and I(4). If a schedule with four processors has a finishing time of 15 hours, what is the total idle time in the schedule?
A. 6 hours. B. 8 hours. C. 2 hours. D. 4 hours. E. none of these
Solve.Johanna has a 
-lb mixture of cashews and peanuts that includes 
lb of cashews. How many pounds of peanuts are in the mixture?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
Find the slope-intercept form of the equation of a line parallel or perpendicular to the given line and passing through the given point.Parallel to x + y = 12, through(2, 7)
A. y = -x + 9 B. y = -x - 9 C. y = x + 5 D. y = x - 5
Solve.The following table lists the number of students enrolled in ABC High School for a four year period.
Calculate the average enrollment in the last four years.
A. 435 B. 416 C. 437 D. 434