Please help me if you can explain it please do because I don’t understand but the answer would be good

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

If you answer right ill give brainliest, : )

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.