Which of the following is the best use for the sign chart when graphing rational functions?
O
A. To determine the slope for the graph of F(x)
B. To determine where the vertical asymptotes are for the graph of
F(x)
C. To determine if the graph of F(x) is straight or curved
D. To determine where the maximum is for the graph of F(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?