That is the z- value is found by substituting in both an x- value and a y- value. A graph in 3 dimensions is written in general. Look below to see them all.
Use x as the variable like this.
Graph functions plot points visualize algebraic equations add sliders animate graphs and more. You can plot 2 functions function 1 in dark green and function 2 in magenta. The curve plotter is particularly suitable for the function study it makes it possible to obtain the graphical representation of a function from the equation of a curve it can be used to determine the variation the minimum the maximum of a. Range x-axis from.