Practice A Determine if the following situations model a quadratic function or a linear function. Then
explain why.
1. An object is launched at 12 meters per second (m/s) from a 50-meter tall platform. The
equation for the object's height ℎ at time seconds after launch is ℎ() = −10
2 +
12 + 50 where s is in meters.
2. Blue Taxi fare for kilometers at flag down rate at P40.00 and P13.50 per kilometer.
3. The equation () = −0.3
2 + 40 − 850 models a profit function that a company
earns as a function of number of products of a given type that are sold.
4. The formula for throwing a volleyball in the air is represented by ℎ() = – 17
2 +
15 + 35 where ℎ is the height of the ball.
explain why.
1. An object is launched at 12 meters per second (m/s) from a 50-meter tall platform. The
equation for the object's height ℎ at time seconds after launch is ℎ() = −10
2 +
12 + 50 where s is in meters.
2. Blue Taxi fare for kilometers at flag down rate at P40.00 and P13.50 per kilometer.
3. The equation () = −0.3
2 + 40 − 850 models a profit function that a company
earns as a function of number of products of a given type that are sold.
4. The formula for throwing a volleyball in the air is represented by ℎ() = – 17
2 +
15 + 35 where ℎ is the height of the ball.
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