Find the numerical value of the expression for the given value.
, x = 2
A. 
B. - 
C. 
D. - 
Answer: D
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For the quadratic equation, identify a, b, and c for use in the quadratic formula. Do not solve.-4 = -4y2 + 2y
A. a =-4, b = -2, c = -4 B. a = 4, b = 2, c = -4 C. a = 4, b = -2, c = -4 D. a = -4, b = 2, c = 4
Suppose 
is an exponential function with growth factor 
. Find the equation of change for f.
?
A. 
B. 
C. 
D. 
Solve the problem.One maid can clean the house in 5 hours. Another maid can do the job in 3 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. x + y + z = 92x - 3y + 4z = 7
A. Cramer's rule does not apply since D = 0; 
B. Cramer's rule does not apply since D = 0; 
C. Cramer's rule does not apply since D = 0; ?
D. Cramer's rule does not apply since D = 0; 