GRAPHS FUNCTIONS AND SYSTEMS Writing and evaluating a function that models a real world A construction crew is lengthening a road The road started with a length of 56 miles and the crew is adding 3 miles to the road each day Let L represent the total length of the road in miles and let D represent the number of days the crew has worked Write an equation relating I to D The this equation to find the total length of the road after the crew has worked 31 days Equation Total length of the road after 31 days miles 8 X O O 0 5 5