anna is in acave 42 feet below the cave entrance. she descends 17 feet . then ascends 21 feet. find her new position relative to
1 answer:
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We have been given an equation . We are also told that x is greater than 0. We are asked to choose the equation that can be written as our given equation.
Since x is greater than, so we will take positive root on both sides of our given equation as:
Upon looking at our given choices, we can see that option C is same as our answer.
Therefore, option C is the correct choice.