1 answer:
Answer:
Step-by-step explanation:
<u>Given function:</u>
- h(t) = 3(4t - 2)(- t + 4)
<u>The time the javelin is in the air is the difference of zero's of the function:</u>
- 3(4t - 2)(- t + 4) = 0
- (4t - 2)(- t + 4)
- 4t - 2 = 0 ⇒ t = 0.5
- -t + 4 = 0 ⇒ t = 4
<u>Time in the air:</u>
<em>It is better visible on the graph</em>
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