Question 4 Answer & Explanation - SAT Algebra

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algebra

If $f(x) = 3x - 5$ and $f(a) = 10$ , what is $a$ ?

Correct Answer: C

Choice Choice A is the correct answer.

Set up: $3a - 5 = 10$
Add 5: $3a = 15$
Divide by 3: $a = 5$

Choice Choice A is incorrect because calculation error.

Choice Choice B is incorrect because calculation error.

Choice Choice D is incorrect because calculation error.

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Linear Functions Set 39

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