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Home Q & A Board Science-Related Homework Help Mathematics
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medicdan85 medicdan85
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3 years ago
Solve.

If a rock falls from a height of 90 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 90 - 4.9x2. What is the height of the rock after 4 seconds?

▸ -294.16 m

▸ 1361.6 m

▸ 11.6 m

▸ 70.4 m
Textbook 
College Algebra

College Algebra


Edition: 7th
Author:
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sdicris1828sdicris1828
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medicdan85 Author
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3 years ago
Smart ... Thanks!
Katey_maree
wrote...

Yesterday
Thank you, thank you, thank you!
mkyoungs
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2 hours ago
Good timing, thanks!
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