I need help with this problem, please.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.