SAT Math Practice Question #2292 (Medium) | Test Citadel
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SAT Math Difficulty: Medium

Digital SAT Math Practice Question #2292

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For the exponential function $g(x) = a \cdot b^x$, $g(0) = 5$ and $g(1) = 15$. What is $g(3)$?
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Masterclass Solution & Distractor Trap Analysis

$g(0) = a = 5$. $g(1) = 5b = 15 \implies b = 3$. Therefore, $g(3) = 5(3^3) = 5(27) = 135$....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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