State the slope and y-intercept for the graph of 7x + y = 3

Which graph has a rate of change of zero

The graph of a curve that passes the vertical line test is a:

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