A ball was thrown upward into the air. The height, in feet, of the ball above the ground t seconds after being thrown can be determined by the expression -16t2 + 40t + 3. What is the meaning of the 3 in the expression? A. The ball was thrown from a height of 3 feet. O B. The ball took 3 seconds to reach its maximum height. C. The ball took 3 seconds to reach the ground. D. The ball reached a maximum height of 3 feet.
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Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
The height of the ball above the ground seconds after the ball was thrown can be determined by the following expression :
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