Find the exact value of the expression.cot-1 
A. 
B. 
C. 
D. 
Answer: D
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You start making regular deposits to your piggy bank. The amount P, in dollars, in your piggy bank after t weeks is given by
?
.
The price of the computer you want to buy is decreasing. The price C, in dollars, t weeks after you started saving money is given by
.
?
When will there be enough money in your piggy bank to buy the computer? Report your answer as a whole number.
?
A. After 8 weeks
B. After 7 weeks
C. After 10 weeks
D. There will never be enough.
Graph the equation.2x - 7 = 3x
A. 
B. 
C. 
D. 
Simplify the expression by multiplying. -5(-6x2)
A. -30x2 B. 11x2 C. -11x2 D. 30x2
Solve the following problem involving a quadratic equation. Round to the nearest tenth if necessary.If h = -16t2 + 160t represents the height of a firework, in feet, t seconds after is was fired, when will the firework be 400 feet high?
A. The firework will be 400 feet high 5 sec after being fired. B. The firework will be 400 feet high 25 sec after being fired. C. The firework will be 400 feet high -5 sec after being fired. D. The firework will be 400 feet high 80 sec after being fired.