Set the 2x - 1 equal to 9 then work backwards. 2x - 1 = 9 Nine minus one is eight divided by two is four. X = 4
You have 5 people and 5 seats, so there can't be any empty seats
this means you have to calculate the permutations of 5 objects
5!=5*4*3*2*1=120
Answer:
-5a + 3b
Step-by-step explanation:
Answer:
Step-by-step explanation:
12\67.82=17.69%
Considering that each student has only one birthday, each input will be related to only one output, hence this relation is a function.
<h3>When does a relation represent a function?</h3>
A relation represents a function when each value of the input is mapped to only one value of the output.
For this problem, we have that:
- The input is the student's name.
- The output is the student's birthday.
Each student has only one birthday, hence each input will be related to only one output, hence this relation is a function.
More can be learned about relations and functions at brainly.com/question/12463448
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