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Explanation:</h2>
In this problem we have a pumpkin is launched from the top of a 20 foot tall platform at an initial velocity of 84 feet per second. So the height, h, of the pumpkin at time t seconds after the launch can be modeled by the equation:

So this is the equation of a parabola. The maximum of this parabola occurs at its vertex. So let's find this vertex:

Finally, the maximum occurs at time 2.625 seconds when the height is 130.25m
Answer:
For me,the answer will be A.
im not sure
correct me if im wrong
love ya
Answer: Let me try to figure this out but this is not 7-8 grade math level
Step-by-step explanation:
Part A: slope is 40
And i don’t know the rest I’m sorry
Use the distributive property.
4(4a + 5) = 4 * 4a + 4 * 5 = 16a + 20
Answer: 16a + 20