The equation y=−3.5x^{2}−0.5x+65 models the height of a ball in inches for each bounce.

What is the best approximate for the height of the ball after the 3rd bounce?

7 in.

14 in.

32 in.

50 in.

The equation p = 1.65t² + 18.25t + 155 approximates the average sale price p of a house (in thousands of dollars) for years t since 2010.

What is the best estimate for the price of the house in year 2018?

$364,000

$407,000

$427,000

$453,000

jbouyer
Jan 20, 2018