Digital SAT Math Practice Question #2283
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Graph the left and right sides of any equation to instantly view intersection points and filter out extraneous solutions.
The half-life is the time required for the quantity to halve (factor of $0.5$). When $t = 14$, the exponent is $14/14 = 1$, halving the initial amount of 80....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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