Determine which function matches the graph. Do this without using your grapher.A: y = x - 2 +  + B: y = x - 2 -  + C: y = 2 + 

/> - D: y = 2 -  + 



A. C

B. D

C. B

D. A

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Answer: B

Mathematics

Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. To the nearest tenth of a square foot, how much does the area increase when the radius changes from 5 ft to 5.1 ft?

A. 31.4 ft2 B. 2.0 ft2 C. 3.1 ft2 D. 15.7 ft2

Find the simple interest. Round to the nearest cent.Principal = $430Rate = 9%Time in years = 3

A. $145.13 B. $10.32 C. $179.17 D. $14.51

Provide an appropriate response.Consider determining how many possible phone numbers there are in an area code (repeated digits allowed). Is this an exercise in combinations, permutations, or neither?

A. Combinations B. Permutations C. Neither

Provide an appropriate response.The equation    = -7 has a horizontal line as its graph.

Fill in the blank(s) with the appropriate word(s).