Solve the equations for x and macth the solutions

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

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?