Given:
The graph of a function.
To find:
The range of the given function using interval notation.
Solution:
Range: The set of y-values or output values are known as range.
From the given graph, it is clear that the function is defined for
and the values of the functions lie between -2 and 2, where -2 is excluded and 2 is included.
Range 
The interval notation is:
Range ![=(-2,2]](https://tex.z-dn.net/?f=%3D%28-2%2C2%5D)
Therefore, the range of the given function is (-2,2].
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Answer:
20. J, 21. B
Step-by-step explanation:
20. P = 15 (2) + 8 (2)
P = 36 ft.
21. 15 - 6 = 9 ft.
Answer:
See below.
Step-by-step explanation:
