Solve the Problem $\mathrm { H }$ (In Meters) After $\mathrm { x }$

question 242

Multiple Choice

Solve the problem.
-If a rock falls from a height of 80 meters on Earth, the height $\mathrm { H }$ (in meters) after $\mathrm { x }$ seconds is approximately $\mathrm { H } ( \mathrm { x } ) = 80 - 4.9 \mathrm { x } ^ { 2 }$
What is the height of the rock when $x = 1.5$ seconds? Round to the nearest hundredth, if necessary.

• A) \(72.65 \mathrm {~m}\)
• B) \(68.98 \mathrm {~m}\)
• C) \(91.03 \mathrm {~m}\)
• D) \(69.2 \mathrm {~m}\)

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