SAT Nonlinear functions Question

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Question 1 · Easy · MathAugust 2024 Batch 1 · Q10Nonlinear functions · 0 solved

x	y
1	13
2	21
3	a

The table shows three values of $x$ and their corresponding values of $y$ for the equation $y = 4 (2)^{x} + 5$ . In the table, $a$ is a constant. What is the value of $a$ ?

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The trap here

SAT functions: f(2) means substitute, then finish the arithmetic — Evaluating a function on the SAT is two steps, and the second is where the points go. Substituting correctly and stopping is the most common function-question error.