Find all solutions of the equation in the interval [0, 2?).cos 2x = 
A. ?
B. 
C. 
D. 
Answer: B
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Solve the application problem.The product of two positive consecutive integers is 19 more than their sum. Find the integers.
A. 5, 6 B. 4, 5 C. -4, -3 D. -6, -5
Identify the equation as a parabola, circle, ellipse, or hyperbola.9x2 = 4y2 + 36
A. Ellipse B. Parabola C. Circle D. Hyperbola
The number of television sets that consumers buy depends on price. The higher the price, the fewer TVs people will buy. The equation that relates price to the number of TVs sold at that price is called a demand equation. If the demand equation for a 13-inch TV is 
, where p is the price and q is the number of TVs sold at that price, how many TVs will be sold at a price of $159?
?
Enter the number without the units.
Fill in the blank(s) with the appropriate word(s).
Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 