Help please i don't understand! What is the range of the function f(x)=3x+1 when the domain is {0, 1, 2}?

a.{2, 4, 10}

b.{1, 4, 7}

c.{3, 4, 5}

d.{2, 6, 18}

Regular price 75$ discount 25%sale price?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.