Determine the Quadratic Function Whose Graph Is Given

question 206

Multiple Choice

Determine the quadratic function whose graph is given.
-A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 336 ft deep, during what interval can the flare be seen? (h = -16t² + vot +
Ho) )

• A) 0 < t < 3
• B) 3 < t < 7
• C) 6 < t < 10
• D) 9 < t < 13