Mathematics for IGCSE & O level - Functions (Section 2 - No. 17)

If h(x) = 3x^2 - 1 and h(x) = 11, what is a possible value of x?

1

2

3

4

הֶסבֵּר

3x^2-1=11, 3x^2=12, x^2=4, x=2

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