Decide whether the relation defines a function.{(-8, 2), (-8, 8), (1, 7), (3, 6), (8, 4)}
A. Function
B. Not a function
Answer: B
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Solve the problem.This chart shows the fees for an 18-hole round of golf for each of the last 5 years at a local municipal golf course. Assume that this chart defines a function with the name of f. State the range of f.
A. {22, 23, 25, 27} B. {(22, 2008), (23, 2009), (25, 2010), (25, 2011), (27, 2012)} C. {(2008, 22), (2009, 23), (2010, 25), (2011, 25), (2012, 27)} D. {2008, 2009, 2010, 2011, 2012}
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 4 butterflies B. 90 butterflies C. 480 butterflies D. 2 butterflies
Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 3
- 2
A. -4
B. 
- 7
C. 5
x
D. -4
Solve the problem.Two ships leave a harbor together traveling on courses that have an angle of 125° between them. If they each travel 524 miles, how far apart are they to the nearest mile?
A. 484 mi B. 1860 mi C. 41 mi D. 930 mi