Factor by grouping.20x2 + 27x + 9
A. (20x + 3)(x + 3)
B. (4x - 3)(5x - 3)
C. (4x + 3)(5x + 3)
D. Prime
Answer: C
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Solve the problem.If f(x) = -6x - 6 and g(x) = 7x2 + 4x - 9, find g(f(-4)).
A. -528 B. 189 C. 312 D. 2331
Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(10x + 7)(10x - 7)
A. 100x2 + 140x - 49 B. x2 - 49 C. 100x2 - 140x - 49 D. 100x2 - 49
Solve the problem.The following data represents the average monthly minimum temperature for a certain city in California. 
Draw a scatter diagram of the data for one period. Find a sinusoidal function of the form 
that fits the data. Draw the sinusoidal function on the scatter diagram. Use a graphing utility to find the sinusoidal function of best fit. Draw the sinusoidal function of best fit on the scatter diagram.
What will be an ideal response?
The table shows the number of votes received by each candidate in the last election. Candidate Votes Mr. Olsen 2078 Ms. Li 3760 Mr. Barone 2780 Ms. Vaporis 3706Which candidate was in second place in the election?
A. Mr. Barone B. Mr. Olsen C. Ms. Vaporis D. Ms. Li