And explain hoot do this. i need with 4,5,6

Which of the following graphs represents the function f(x) = 2^x

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?