f(x) = 5x and g(x) = x + 11.Which of the following represents h(x) = f(x)g(x)?

To find h(x) = f(x)g(x), multiply the functions: (5x)(x + 11). Distribute 5x to get 5x² + 55x, which matches the choice stating h(x) = 5x² + 55x.

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