A spring stretches in relation to the weight hanging from it according to the equation y = 0.75x + 0.25 where x is the weight in pounds and y is the length of the spring in inches. A. Graph the equation, include axis labels.
B. Interpret the slope and the y-intercept of the line.
C. How long will the spring be if a 2-pound weight is hung on it? Will the length double if you double the weight? Explain.