Question

Fit a quadratic equation y=a0 + a1*x + a2*x^2 to the given data.

y: 77.4   76.7  78.2  84.1  84.5   83.7  88.9  89.2  89.7   94.8  94.7 95.9

x: 150   150   150   200   200   200    250   250   250   300    300   300

Find the constant  a0.  Two decimal places

Answer 1

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