Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes
B. No
Answer: A
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Use the appropriate rounding rule to answer the question with the correct precision or correct number of significant digits.If you buy 207 items which weigh 0.025 lb each, what is the total weight of your purchase?
A. 5.175 lb B. 5.18 lb C. 5.2 lb D. 5 lb
Solve the problem.Coffee is best enjoyed at a temperature of 118°F. A restaurant owner wants to discover the temperature T at which he should serve his coffee so that it will have cooled to this ideal temperature in 4 minutes. He discovers that a cup of coffee served at 197°F cools to 184°F in one minute when his restaurant is at 68°F. If he maintains the restaurant temperature at 68°F, at what temperature should he serve the coffee to meet his goal?
A. 139°F B. 164°F C. 144°F D. 197°F
Find the sum. Add horizontally.(-6y2 + 9) + (3y2 - 3y - 2)
A. -3y2 + 3y + 7 B. -3y2 - 3y + 11 C. -9y2 - 3y + 7 D. -3y2 - 3y + 7
Convert.192 inches = __ feet
A. 16 B. 576 C. 64 D. 1.33