Mathematics · Functions
Some values of the linear function f are given: f(1) = 5, f(3) = 13, and f(5) = 21. Which of the following defines f?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f(x) = 5x
- 2f(x) = 4x + 1✓
- 3f(x) = 3x + 2
- 4f(x) = 2x + 3
Correct answer
f(x) = 4x + 1
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