Determine whether the relation represents a function. If it is a function, state the domain and range.{(-2, 6), (-1, 3), (0, 2), (1, 3), (3, 11)}
A. function
domain: {-2, -1, 0, 1, 3}
range: {6, 3, 2, 11}
B. function
domain: {6, 3, 2, 11}
range: {-2, -1, 0, 1, 3}
C. not a function
Answer: A
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Add or subtract as indicated. Simplify if necessary.
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Solve the problem.One end of a guy wire is attached to the top of a 10-foot pole and the other end is anchored into the ground 6 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth of a foot when appropriate. 
6 ft
A. 11.7 ft B. 12.3 ft C. 16 ft D. 16.6 ft
The value V, in dollars, of an investment t years after 2010 is given in the following table. Use an exponential model for these data to determine when the value of the investment will be $18063. Round your answer to two decimal places. t 0 1 2 3 V $6005.00 $6245.20 $6495.01 $6754.81?
A. 4.12 years after 2005 B. 3.58 years after 2005 C. 28.58 years after 2005 D. 28.08 years after 2005
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 12, v(0) = 17, s(0) = 15
A. s = 6t2 + 17t + 15 B. s = 6t2 + 17t C. s = -6t2 - 17t + 15 D. s = 12t2 + 17t + 15