i don't understand i need help please.

Answer the following questions for the function, x- 3 k(x) = 2 + 9x + 20 A) Is the point (-3,0) on the graph of y = k(x)? O yes O no B) What is the domain of k()? Give your answer using interval notation. C) k( - 3) - Give your answer as an integer or a completely reduced fraction. D) For what value(s) of x does k(x) = 0? x E) k(x) = 3 . What is x? x Give your answers as integers or completely reduced fractions. Add Work Submit