Which of the following was recommended in NCTM's Curriculum and Evaluation Standards for School Mathematics?
a. Focusing the high school curriculum exclusively on algebra
b. Increasing attention to having students memorize procedures for performing computations
c. Withholding technology from students in order to sharpen computational skills
d. All of the above
e. None of the above
Ans: e
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Solve the rational inequality and graph the solution set on a real number line. 
< 
A. 
? (7, ?)
B. (-?, -7) ? 
C. ?
D. 
Solve the problem. Assume that the minimum payment on a credit card is the greater of $27 or 3% of the unpaid balance.Find the minimum payment on an unpaid balance of $1456.38.
A. $27.00 B. $48.69 C. $436.91 D. $43.69
Solve the problem.The equation V = -3,000t + 24,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $15,000, find the age of the car.
A. 4 years B. 5 years C. 3 years D. 2 years
The output is the total cost of a shirt, where x is the price of the shirt and a sales tax of 9% of the price is added. Write an equation describing the output (y) as a function of the input (x).
A. y = 1.09x B. y = x + 0.09 C. y = x – 0.09 D. y = 0.91x E. y = 0.09x – 1