Perform the following operations and prove closure. Show work I) x/x+3 + x+2/x+5

II) x+4/x^2+5x+6 × x+3/x^2-16

I do need help. THANK YOU!

The function g(x) is defined as shown. x-1, -2 g(x) = 2x+3, -1 6-x, x23

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?