Use composition to identify the functions that are inverses of each other.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Multiply. write your answer in simplest form. 3/8 x 5/7

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126