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If the variable x is raised to the power of 1 or 0. No other possibilities.

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Q: How do you know a function is linear?
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Related questions

How do you know when a relationship is a linear function?

It is in a strait line.


How do you know if an equation is a linear function?

A linear function has and x and a y and neither one is raised to a power other than 1.


Is linear function the same as linear equations?

No a linear equation are not the same as a linear function. The linear function is written as Ax+By=C. The linear equation is f{x}=m+b.


What is the end behavior of a linear function?

Assuming the domain is unbounded, the linear function continues to be a linear function to its end.


Is an exponential function linear?

No. An exponential function is not linear. A very easy way to understand what is and what is not a linear function is in the word, "linear function." A linear function, when graphed, must form a straight line.P.S. The basic formula for any linear function is y=mx+b. No matter what number you put in for the m and b variables, you will always make a linear function.


Is a linear equation the same as a function?

No a linear equation are not the same as a linear function. The linear function is written as Ax+By=C. The linear equation is f{x}=m+b.


How do you know if a function is linear?

F is linear when F(a+b) = F(a) + F(b) and if F(Ax) = AF(x) where A=constant


What is the rate of change of a linear function?

It will just be the gradient of the function, which should be constant in a linear function.


Does strength increase as a linear function of beam weight or of strands?

As a linear function


A linear function does not have a y-intercept?

it is impossible for a linear function to not have a y-intercept


Use of linear function in real life?

Your age is a linear function (of time).


Do a linear equation and a function share the same definition?

No. A function need not be linear. For example, y = sin(x) is a function of x but it is not a linear equation.