Passes through (8,7) and (0,0)

It says factor each expression 49x-28?

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7