Using calculus, the area of the region under y=1/(1+x^2), above the x-axis and between x=a and x=b is tan^(-1)b - tan^(-1)a. Use this result, shown in the figure, to find the area of the region under y=1/(1+x^2), above the x-axis, and between a=-1 and b=1

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1