Answer:
f
(
x
)
=
2
x
+
5
Step-by-step explanation:
Explanation:
Function notation is a system of representing functions.
Functions are special types of relations. If a relation produces exactly one output (
y
) for each input (
x
), then it is called a function.
You can write a relation in function notation by replacing y with f
(
x
)
. This is pronounced "f of x", and means "the value of the function given the input x
.
Your answer is:
This is because there are 40 boxes in total. The chance of a white box being handed out is 10/40. If a white box is handed out as a prize, there are going to be 39 boxes left, but only 9 of those 39 boxes would be white.
Ideally, tree diagrams should be used to solve such problems.