Which of the following best describes the slope of the line below? A. Zero
B. Positive
C. Undefined
D. Negative

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

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Which expression is equal to (f+g)(x)?