График 1:new Chart('graphCanvas1', {type: 'line', data: {labels: [-4, -2, 0, 2, 4], datasets: [{label: 'y = 8/x', data: [-2, -4, 'NaN', 4, 2], borderColor: 'blue', fill: false}]}, options: {scales: {x: {display: true, title: {display: true, text: 'x'}}, y: {display: true, title: {display: true, text: 'y'}}}, tension: 0.4}});