Question

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The domain for f(x) and g(x) is the set of all real numbers.

Let f(x) = 2x2 + x − 3 and g(x) = x − 1.

Find f(x) • g(x).

Answer 1

f(x) = x + 1
g(x) = x - 1
f(x) × g(x) = (x + 1)(x - 1) =
${x}^{2} - 1$