Answer:
10
Step-by-step explanation:
Answer:
Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.
Step-by-step explanation:
It is a function because all the inputs (x values) have one output (y value).
For something to be a function, inputs can only have ONE output, if an input has multiple outputs, it is not a function.
If different inputs have the same output, it is still a function because they don't have the same input value