Answer: 45x+ 50.00 where x is the number of hours the telephone technician works.
Step-by-step explanation - 50 is the 1 time charge (which would be the y-intercept) while 45 is being multiplied per hour. So if you set x as the numbers of hours worked, you can find his total cahrge.
ex. 45(2) + 50 = 140
