(a) Let the universal set p = R: R = set of real number Let A={X ER:- 4 sx< 15)
B = {x ER: -6< x < 7}
C = {x ER: x >0}
Find (i) An B (ii) A U B (iii) C' (iv) A' (iv)C-B​

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Ineed here’s a picture of the question

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters