SOLUTION: I need to create an equation of a nonlinear function. I don't know what this is. Can you please give me an example? Thanks so much.

Question 461084: I need to create an equation of a nonlinear function. I don't know what this is. Can you please give me an example? Thanks so much.
Found 2 solutions by oberobic, richard1234:
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
A nonlinear equation is one in which x has a power.
For example

.
Note that a nonlinear equation is one that cannot be a straight line.
The following is the graph of

.
The following is the graph of

.
The following is the graph of

.
Notice that the number of curves (or changes in direction) is one less than the power of x.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
A nonlinear equation is not necessarily something raised to a power; it is simply an equation that is not represented by a line.

In addition to polynomial curves, the following functions are non-linear:
Trigonometric function
f(x) = sin(x)

f(x) = tan(x)

Logarithmic or exponential function
f(x) = ln x

Of course there are countless other examples.

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