6p+22+4p-11+p+34

Help pleae?

What is the domain of the step function f(x)=[2x]-1?

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

This venn diagram shows the pizza topping preferences for 9 students