Answer:
yes it is a function
Step-by-step explanation:
Mathematics
In mathematics, a function is a binary relation over two sets that associates to every element of the first set exactly one element of the second set. Typical examples are functions from integers to integers or from the real numbers to real numbers.
Answer:

Step-by-step explanation:
![the \: \sqrt[3]{121} \: is \: not \: a \: perfect \: cube \\ but \\ the \: \sqrt{121} = 11 \to \: is \: a \: perfect \: square \\](https://tex.z-dn.net/?f=the%20%5C%3A%20%20%5Csqrt%5B3%5D%7B121%7D%20%20%5C%3A%20is%20%5C%3A%20not%20%5C%3A%20a%20%5C%3A%20perfect%20%5C%3A%20cube%20%5C%5C%20but%20%5C%5C%20the%20%5C%3A%20%20%5Csqrt%7B121%7D%20%20%3D%2011%20%5Cto%20%5C%3A%20is%20%5C%3A%20a%20%5C%3A%20perfect%20%5C%3A%20square%20%5C%5C%20)
Answer:
About 9.4
Step-by-step explanation:
64+25=89
sqr root of 89 is 9.4339
Answer:
3/8
Step-by-step explanation:
75% or 0.75 is equivalent to 3/4
3/4 times 1/2 equals 3/8
The answer to this question is the mean increases by 3.