If f(x) = -3x + 3, what is f(-6)?

About this MCQ

Easy ACT item. Correct choice: D. 21.

Correct answer

D. 21

Explanation

21 (option D) is the accepted answer to “If f(x) = -3x + 3, what is f(-6)”. Option A (15) is a different value from 21. Option B (18) is a different value from 21. Option C (24) is a different value from 21. Keep 21 as the ACT fact for this stem.

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