Determine if the relation is a function.{(-4, -3), (-1, -1), (1, 3), (6, 6)}
A. No
B. Yes
Answer: B
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?Which of the following is a divisibility rule for 18? ?
A. If a number ends in an even number and is divisible by 3, then it is divisible by 18. B. ?If a number ends in an even number and the sum of digits is divisible by 9, then it is divisible by 18. C. ?If last two digits of a number are divisible by 4 and the sum of digits is divisible by 9, then it is divisible by 18. D. If a number ends in an even number and the sum of digits is divisible by 6, then it is divisible by 18. E. ?If the sum of the digits of a number is divisible by 3 and 6-rule works, then it is divisible by 18.
Evaluate.sin
A. 
B. - 
C. 
D. - 
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.F(x) = x2 - x - 12
A. x = -3, x = 4 B. x = 3, x = 4 C. x = -3, x = -4 D. x = 1, x = 12
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 4x - 9y = 8 12x - 27y = -6
A. No inverse, 
B. No inverse, no solution for system
C. (8, -6)
D. (3, 3)