Answer:
A function can have many x values for a given y value and still be a function but it cannot have many y values for a given x value. You can easily test this by graphing the equation and doing the vertical line test by seeing if a vertical line will intersect the graph only once at all x values, if it passes it is a function. In short what you have here is a function
Step-by-step explanation:
Answer:
$7.93
Step-by-step explanation:
20 - 12.07 = 7.93
Step-by-step explanation:
Simple
We will subtract
21 - 16 = 5
So 5 more students can join the class
Answer:
i think its 2, but if im wrong im sorry
Answer:
Step-by-step explanation:
Rational numbers:
-are all numbers you can write as a quotient of integers 
, 
-include terminating decimals. For example, 
-include repeating decimals. For example, 
Irrational numbers:
-have decimal representations that neither terminate nor repeat. For example, 
-cannot be written as quotients of integers
