Review the proof. Which step contains an error
Step 2
Step 4
Step 6
Step 8

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

What situation is an example of an observational study

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have