Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed. f(x)=x² between x = 4 and x = 8 using an upper sum with four rectangles of equal width. O 126 O 165 O 149 O 174

a) Compute C5,2. b) Compute C6,2. c) Compute P4,3. d) Compute P7,2.

A survey of 1,046 tourists visiting Orlando was taken. Of those surveyed: 254 tourists had visited  the Magic Kingdom 263 tourists had visited LEGOLAND 57 tourists had visited both the Magic Kingdom and LEGOLAND 55 tourists had visited both the Magic Kingdom and Universal Studios 55 tourists had visited both LEGOLAND and Universal Studios 31 tourists had visited all three theme parks 82 tourists did not visit any of these theme parks How many tourists only visited the Universal Studios (of these three)?

3. A survey of 1,035 tourists visiting Orlando was taken. Of those surveyed: 255 tourists had visited LEGOLAND 270 tourists had visited Universal Studios 82 tourists had visited both the Magic Kingdom and LEGOLAND 65 tourists had visited both the Magic Kingdom and Universal Studios 90 tourists had visited both LEGOLAND and Universal Studios 23 tourists had visited all three theme parks 86 tourists did not visit any of these theme parks How many tourists only visited the Magic Kingdom (of these three)?