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22.01.2021 •
Mathematics
What is the value of x?
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Ответ:
Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
20
Ответ:
A step function
Step-by-step explanation:
In a step function, the y-value remains constant for several values of x. The y-value then "steps" up for the next category with the next several values of x.
In this function, the y-value will be 3.5 for the x-values from 0 to 25.
The function then "steps" up to a y-value of 5.95 for the x values from 25.01 to 75.
The next "step" goes to a y-value of 7.95 for x-values from 75.01 to 125.
The last "step" goes to a y-value of 9.95 for x-values of 125.01 and up.