4 and 5 only

Name: Doud Basharat Per 3 3. What is the inverse of f (x) =x3 -2 ? 1 ) f - 1 ( x ) = Vx + 2 2 ) f - 1 ( x ) = + Vx + 2 (3) f -1 ( x ) = Vx + 2 4 ) f-l ( x ) = + Vx + 2 4. In New York State; 38% of the houses have a pool and 21% of the houses have both a pool and hot tub. Determine the probability that a house has a hot tub given that it has a pool. (1) 8% (2) 55% (3) 59% (4) 108% 5. If f (x) = In(x +4) -8 and g(x) = x3 - 4x2 +3x -5, determine the greatest solution to the equation f (x) = g(x) , rounded to the nearest hundredth. (1) -0.37 (2) 1.57 (3) 2.78 (4) 3.55 Page 2 of 7