Tell whether the relation is a function.{(-1, 9), (2, 6), (4, -1), (8, -6), (11, 1)}
A. Function
B. Not a function
Answer: A
Mathematics
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Use absolute value notation to define the interval shown below.
a. 
b. 
c. 
d. 
e. 
Mathematics
Find the ordered triple that belongs to the set.{x, x + 6, x - 7|x = 1}
A. (-6, 1, 7) B. (1, 7, -6) C. (-6, 7, 1) D. (1, -6, 7)
Mathematics
Find the area.Find the area of a square measuring 18.7 m on a side.
A. 349.69 m2 B. 699.38 m2 C. 37.4 m2 D. 74.8 m2
Mathematics
Solve the problem.A company determines that its marginal profit, in dollars, from producing x units is given by 
where x ? 1. Suppose that it would be possible for the company to make infinitely many units of this item. Find the total profit. Round to the nearest dollar.
A. $6090 B. $6100 C. $6070 D. $6080
Mathematics