Solve.Write a polynomial in factored form that represents the total area of the figure.
A. (x + 2)(x + 6)
B. x2 + 12
C. (x - 2)(x - 6)
D. x2 + 8x + 12
Answer: A
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Plot the points representing the following integers on a number line.-6, -4, -2, 0
A. 
B. 
C. 
D. 
Graph the function.f(t) = 
cos 2t 
A. 
B. 
C. 
D. 
Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).f(x) = -2x2 - 9x
A. Up; narrower B. Down; wider C. Down; narrower D. Up; wider
Solve the problem.Some people must eat a low-sodium diet with no more than 2,000 mg of sodium per day. By eating 1 cracker, 1 pretzel, and 1 cookie, a person would ingest 149 mg of sodium. If a person ate 8 pretzels and 8 cookies, he or she would ingest 936 mg of sodium. By eating 6 crackers and 7 pretzels, the person would take in 535 mg of sodium. Find the amount of sodium in each.Which of the following is true?
A. A cracker has 30 mg of sodium. B. A cookie has 71 mg of sodium. C. A pretzel has 49 mg of sodium. D. None of these