relations and functions

Tickets to a concert are available online for $25 plus a one time handling fee of$1.75 the total cost is a function of the number of tickets bought what function rule models the cost of the concert tickets evaluate the function for 6 tickets

A

graph the relation. find the domain and range

A

is the relation a function

B. no

for f(x)= 5x + 1. find f(-4)

C

make a mapping diagram for the relation

C

use the vertical line test to determine which graph represents a function.

D