Select a set of values for x. For each value of x calculate the corresponding value of y using the function x2 - 4x - 4.
Plot these points and join together with as smooth a curve as you can manage.
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It is possible.
6x - 4y
y = -4x The y-intercept is zero. That is, the graph passes through the origin.
x = 2
The slope of f(x) = 3-4x is -4.