Question 9 (1 point) For what interval is the graph of the rational function decreasing? - H OA) - 3 - 3Question 10 (1 point) For what interval(s) is the graph of the rational function positive and increasing? 4 40 A 8 OA) x 4 O B) for no values of x O C ) * 6 - 2 O D) X ER, X # -2Question 13 (1 point) What is true about the function f(x) = - as x - co? x- 3 O A) fix) is undefined O B) ((x ) - 3 O C) (( x) = 0 from above D) f(x) - 0 from belowQuestion 14 (1 point) What is true about the function f(x) = 2x + 5 as x -> co? x+3 O A) A(x) - 2 from below O B) A(x ) - w/V from below O c) f(x) - from above O D) f(x) = 2 from aboveAx) = is always positive. (x - 5)2 O True O FalseWhich function is always positive? O A) Ax) = 3 2x + 4 O B) Ax) = (x-4)2 O C) A(x) = 4 4 O D) Band C