How to plot x^3-4x^2+1 without setting the domain?

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Cassandra Meyer
Cassandra Meyer on 28 Jan 2022
Commented: Cassandra Meyer on 28 Jan 2022
I need to specifically have matlab do the default domain first without inputting it as the first part of this problem, and my initial thought was to try this but it didn't work. I'm very new to matlab so it could be a simple mistake.
fplot(@(x) x.^3+4x.^2+1)

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Accepted Answer

Voss
Voss on 28 Jan 2022
Ran in:
"4x" is not a valid expression. "4*x" is.
fplot(@(x) x.^3+4*x.^2+1)

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