One year the price of a motorcycle $3,000 it increased to $3,550 another year what is the percent increase in its price round your answer to 2 decimal places

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0