Use the vertical line test to determine whether y is a function of x.
A. Yes
B. No
Answer: B
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Evaluate the integral.
sec2 3x dx
A. - 
B. 
C. e
D. 3e
Solve the problem.Determine whether (2, 9, -4) is a solution of the system 2x - 5y - 9z = -5 x + y + z = 7 3x - y + 5z = 35.
A. Yes B. No
Determine the probability distribution.When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below. (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6) Let x denote the smaller number of the two numbers. If both die come up the same number, then x equals that value. Determine the probability distribution of x.
A. 
B. 
C. 
D. 
Solve the system of equations by the substitution method. Check your solutions.
A. {(8, -5)} B. {(-8, 5)} C. {(8, 5)} D. {(-8, -5)}