Answer ONLY #15

In problems 7 - 18, sketch the graph of each function and find the area between the graphs of f and g for x in the given 40 40 interval. Fig. 13 feet feet 7. f(x) =x +3, g(x) =1 and -1 sxs 2. 8. f(x)=x-+ 3 , g(x) = 1 + x and Osxs3. 9. f(x) = x" , g(x) = x and Osxs2. 10. f(x) =4-x " , g(x) =x + 2 and Osxs 2. 11. f(x) =] , g(x) =x and Isxse. 12. f(x) = Vx , g(x) = x and Osxs4. 13. f(x) = x+ 1 , g(x) = cos(x ) and 0sxs n/4. 14. f(x) = (x-1)" , g(x) = x + 1 and Osxs3. 15. f(x) =e , g(x) = x and 0sx x2. 16. f(x) = cos(x ), g(x) = sin(x ) and 0 sxs /4. 4.7 Applications of Integration Contemporary Calculus 8 17. f(x) =3 , g(x) = V1-x2 and Oxx $ 1. 18. f(x) = 2 , g(x) = V/4-2 and -2