Solve the inequality. Write the solution set in interval notation and graph it.-12 ? -2z + 2 ? -6
A. (4, 7)
B. (-7, -4)
C. [-7, -4]
D. [4, 7]
Answer: D
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Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a unit vector pointing away from the origin.
A. - 
B. 
C. xi + yj
D. 
Find the following. Assume that the letter can represent any real number.
A. 
B. x
C. 
D. -
Describe the situation with a linear inequality and then solve the inequality.It takes 20 minutes to set up a candy making machine. Once the machine is set up, it produces 60 candies per minute. Use an inequality to find the number of candies that can be produced in 2 hours if the machine has not yet been set up.
A. at most 120 candies B. at most 2400 candies C. at most 6000 candies D. at most 1200 candies
Eight years ago, $2000 was deposited in a savings account paying 3% interest compounded continuously. Three years ago, $500 was withdrawn from the account. What is the current value of the account?
A. $1995.41 B. $4319.08 C. $2042.50 D. $3964.93