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In what form must we be able to write all linear functions?
Nonlinear function
All linear functions must be able to be written in slope-intercept form. y=mx+b Let's solve the given equation for y to see if it can be written in this form.
Distribute x
Since there is a term with the variable x squared, we cannot write the function in slope-intercept form. Therefore, this function is nonlinear.
