Choose the any quality that represents the graph given me

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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