Solve the inequality. Graph the solution set and write the solution set in set-builder notation.3x2 + 5x - 2 ? 0
A. 
B. 
C. 
D. 
Answer: D
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Establish the identity.cos(4?) = cos4 ? - 6 sin2 ? cos2 ? + sin4 ?
What will be an ideal response?
Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Solve the problem.The population of a formerly endangered mouse is now on the rise. The population, N, over the last 8 years can be represented with the following graph:
When was the mice population the lowest?
A. At the beginning of the 8 year period. B. Just before the end of the second year. C. During the fifth year. D. Just after the end of the third year.
Solve the application involving the slope of a line.Recently, a stock split and the value per share increased. The stock was valued at $11 per share 3 days after the stock split and at $35 per share 11 days after the split. The equation 
models the relationship between the stock's value, V , in dollars, and the number of days, t , since the stock split. Find the slope and give its meaning.
A. m = -3; During this period, the value of the stock decreased at the rate of $3 per day. B. m = 2; During this period, the value of the stock increased at the rate of $2 per day. C. m = 3; During this period, the value of the stock increased at the rate of $3 per day. D. m = -2; During this period, the value of the stock decreased at the rate of $2 per day.