please help.. (y-value = ??)

20.
Nine data points have been plotted below with a quadratic curve of best fit.
(image included)

Predict the y-value of a point with an x-value of 12.
y-value =

please help yvalue 20 Nine data points have been plotted below with a quadratic curve of best fit image included Predict the yvalue of a point with an xvalue of class=