If f(x)=3x+2 then what does f(x+1)=

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers