I believe it is the third choice. (my guess)
Answer:
f = (1/2)(m), for m = 1
f = (1/2)(1)
Step-by-step explanation:
The answer is c because b is the first point you plot if it is changed you answer on the graph could shift to positive or negative
Axis of symmetry shows the min/max. its a max in this case and its at x=4
so the ans is <span>x = 4, it takes 4 seconds to reach the maximum height and 4 seconds to fall back to the ground
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