Mathematics for IGCSE & O level - Functions (Section 2 - No. 2) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 2 - No. 2)

If f(x) = 3x - 2, what is the value of x if f(x) = 7?

3

13/3

5/3

3.5

Explanation

3x-2=7, 3x=9, x=3

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