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.