Solve.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. How much sodium is in each of these foods?
A. Cracker: 32 mg; pretzel: 49 mg; cookie: 68 mg
B. Cracker: 28 mg; pretzel: 50 mg; cookie: 71 mg
C. Cracker: 29 mg; pretzel: 49 mg; cookie: 71 mg
D. Cracker: 30 mg; pretzel: 50 mg; cookie: 69 mg
Answer: A
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A. (7, 7) B. (-8, 7) C. (-1, -13) D. (-7, 6)
Find the domain and the range for the function.
A. D: 
, R: 
B. D: All real numbers, R: All real numbers
C. D: 
, R: 
D. D: 
, R: 
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