1.

If f(x + 1) = 3x – 9, then what will be the value of f(x2 – 1) ? (a) 3x2 – 9 (b) 3x2 – 15 (c) x2 – 10 (d) 3x2 – 10

Answer»

Correct option is (b) 3x2 – 15



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