devenybates
29.08.2020 •
Mathematics
Kara and Nathan participated in a 60-minute maze race.
Kara:
32 minutes
Nathan:
40 minutes
Part B
Is the relationship in Part A rational or irrational? Justify your answer.
Select the answers that complete the sentences.
Hint(s): A rational number can be written as a ratio of two integers.
Can the times for each be written as integers?
The relationship is
The number
be expressed as a ratio of two integers.
1 rational
11 irrational
can
I cannot
Solved
Show answers
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Ответ:
the domain represents all the x values and range represents all the y value
In a function y=mx+b ( linear equation), the problem is giving the y values so plug in the value of each (y) in the equation to get x.
example: the range is : { 2,4,6} find the domain in the function y=x+1
y=x+1 take value 2
2=x+1
x=1 when y=4 then x=3when y=6 then x=5the domain is { 1,3,5}this goes for linear equation