Home 4 Ans. 16. Determine the values of m and n so that the polynomials 2x + mx + nx - 3 and x' - 3mx + 2nx + 4 are both divisible by x - 2. Century Ans 17. For each function, determine High (i) the x-intercepts of the graph (ii) the degree and end behaviour of the graph (iii) the zeros and their multiplicity (iv) the y-intercept of the graph (v) the intervals where the function is positive and the intervals where it is negative (a) f(x) = x4- 81x2 EST 1996 Ans. (b) k(x) =-x4 -2x3 + 7x2+8x-12 BEYOND THE LIMIT Ans. 6