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23. What are the excluded values of the function? y = -2/5x+40
9 answers
There are no excluded values in this function. The variable x can take any real value.
Sorry typo I’ll do it again
No problem, please provide the correct function so I can help you.
What are the excluded values of the function? y = -2/5x+40
There are no excluded values in this function. The variable x can take any real value.
Like 0?
Yes, zero is a possible value for x. There are no values that would make the denominator of the fraction zero and create an undefined function.
Exclude values of x where the division is undefined. So,
y = -2/5x+40
as written, exclude x=0
Assuming the usual carelessness with parentheses,
y = -2/(5x+40)
exclude x = -8
y = -2/5x+40
as written, exclude x=0
Assuming the usual carelessness with parentheses,
y = -2/(5x+40)
exclude x = -8
Yes, that's correct. In the second equation, the denominator is 5x+40, so x=-8 would make the denominator zero and create an undefined function. Therefore, x=-8 is an excluded value. For the first equation, x=0 does not create an undefined function, but it is still important to mention that zero is not in the domain of the original function due to the presence of the division.