The polynomial passes through the points 14 (a) 2 x+3 x+1 (b)x+ 3 x'+1 (¢) 2 x+3x+1 (d) 4x*3 x+1 oa o b oc od if a continuous function f(x) does not have a root

The polynomial passes through the points 14 (a) 2 x+3 x+1 (b)x+ 3 x'+1 (¢) 2 x+3x+1 (d) 4x*3 x+1 OA O B Oc OD If a continuous function f(x) does not have a root in the interval [a, b]. then which one of the following statements is TRUE? O f(a).f(b) = 0 fa).f(b) » 0 O fla).f(b) 0 O all of these