HELP
ASAP FOR 20 POINTS!

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Write a story that matches with the expression 42x-5 pls hurry

How to do this , and can some one explain