Mathematics, 02.06.2021 21:50 abelxoconda
A rock is tossed from the top of a bridge into the water below and
is represented by the equation f(x) = -2x2 + 5x + 7, where f(x) is
the height of the rock in metres and x is the time in seconds.
Find the roots of the equation to determine how long it took
for the rock to enter the water.
• When you solved the equation, you got two different values
for x. Why is only one of the values an appropriate answer?
Answers: 1
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A rock is tossed from the top of a bridge into the water below and
is represented by the equation f...
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