The graph of a function f is given. Use the graph to answer the question.How often does the line y = -50 intersect the graph?

A. once
B. twice
C. three times
D. does not intersect


Answer: D

Mathematics

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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A glass of water with a temperature of 5°C is placed in a room with a temperature of 30°C. One minute later the water has warmed to 9°C. After how many minutes does the water have a temperature that is 90% of the ambient temperature?

A. ? 23 min B. ? 15 min C. ? 12 min D. ? 19 min

Mathematics

Solve the problem.Using the numerals 0 through 9, how many 7-digit serial numbers can be made if the first digit must be 0 or 1 and no numerals may be repeated?

A. 1008 B. 8 C. 120,960 D. 40,320

Mathematics

Provide an appropriate response."One point" represents:

A. 1 additional percent for every $10,000 borrowed. B. 1 percent of the amount borrowed. C. 1 payment per month. D. 1 percent per month additional charge.

Mathematics

Solve the problem.Identify the scatter diagram of the relation that appears linear.

A.

B.

C.

D.

Mathematics