Sketch the following function using DESMOS: f(x) = x² + x² + 2x Analyze the graph by answering the following questions. Correct notation is expected. For infinity, show +inf or -inf, as appropriate. There should be no spaces in your answers. The number format is specified in each question below. a) State the integer coordinates of the y-intercept: A/ b) State the integer coordinates of the x-intercepts, from smallest to largest: A/ A/ c) State the coordinates of the local maxima as decimals to the nearest tenth: d) State the coordinates of the local minima as decimals to the nearest tenth: A/ A/ e) State the interval representing the domain, XE A f) State the interval representing the range, VE A/ A/ g) State the interval of increase, as decimals to the nearest tenth: XE