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Problem 12.
Sketch the graph of k(x)=x^4-64x^2.
Sketch the graph of k(x)=x^4-64x^2.
The graph of k(x)=x^4-64x^2 is a parabola that opens upwards with its vertex at the origin (0,0). The parabola also passes through the points (8,0) and (-8,0).
The x-intercepts of the graph of k(x)=x^4-64x^2 are (8,0) and (-8,0). These points indicate where the graph crosses the x-axis.
The y-intercept of the graph of k(x)=x^4-64x^2 is 0. This means that the graph passes through the origin (0,0).
The domain of the function k(x)=x^4-64x^2 is all real numbers. This means that you can plug in any real number for x and get a valid output for the function.
The range of the function k(x)=x^4-64x^2 is also all real numbers. This means that the function can produce any real number as its output.