Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = t3, y = t - 2; 0 ? t ? 3
A. y = 
- 2; 0 ? x ? 27
B. y = x3 - 2; 0 ? x ? 3
C. y = 
- 2; 0 ? x ? 27
D. y = x3 - 2; 0 ? x ? 1
Answer: C
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Evaluate.[(21 - 30) - 40] - 50
A. 1 B. -39 C. -99 D. -19
Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $280,000, find each worker's salary.
A. president's salary: $70,000; department head's salary: $210,000 B. president's salary: $210,000; department head's salary: $70,000 C. president's salary: $140,000; department head's salary: $70,000 D. president's salary: $21,000; department head's salary: $7000
Solve the problem.The number of mutual funds available to investors in Dereguland for each year during the period 1996-2000 is given in the following table.
To the nearest whole number, what was the average number of funds available during this period?
A. 4903 B. 12,257 C. 4772 D. 5092
Suppose the annual rate of income from an investment at any time t is 
. What is the formula for the present value of the income over the next 5 years at a 6% interest rate compounded continuously?
A. 
B. 
C. 
D. 
E. none of these