Question: Approximate the function f(t) = 1/8(2f - 1 )3 + | by a quadratic polynomial on the interval [ - 1, 1 ] using the

Approximate the function f(t) = 1/8(2f - 1 )3 + | by a quadratic polynomial on the interval [ - 1, 1 ] using the least squares method based on the L2 norm. Compare the graphs. Where is the error the largest?

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