a function is a rule that assigns each value of the variable to exactly one value of the dependent variable

Let's imagine that we have the following function function:

We have to:

Independent variable: x

Dependent variable: y

For x = -1:

For x = 1:

We observe that the independent variable can only obtain one result.

show us the picture

step-by-step explanation:

show the !

13.33%

say 50 oranges, then 100 apples

80 are red, 20 are yellow

total fruit = 150

20chances out of 150 for yellow

20/150 = 13.33%