Evaluate the expression for the given values.
(a) x = 3(b) x = - 3(c) x = 0
A. (a) 2
(b) 
(c) 
B. (a) 
(b) 
(c) 
C. (a) 
(b) 
(c) 
D. (a) 2
(b) 
(c) 
Answer: A
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Identify the number represented on the abacus.
A. 631 B. 630 C. 635 D. 639
Simplify the expression involving rational exponents.
-4/3
A. 
B. Not a real number
C. 
D. - 
Solve the problem.ABC phone company charges $21 per month plus 3¢ per minute of phone calls. XYZ phone company charges $9 per month plus 5¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?
A. More than 600 minutes B. More than 60 minutes C. Less than 600 minutes D. Less than 60 minutes
The function has a real zero between the two numbers given. Use your calculator to approximate the zero to the nearest hundredth.P(x) = x3 + 2x2 - 7x - 14; 1 and 4
A. 2.55 B. -2.65 C. 2.65 D. 2.75