Using mathematical induction
solve 1+2+3+... +n=n(x+1)​

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list