How much will figure 0 and 4 have in it

Use the x-intercept method to find all real solutions of the equation. x^3-10x^2+27x-18=0

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.