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Simplifying f(x) = -1x + 4x + 1 Multiply f * x fx = -1x + 4x + 1 Reorder the terms: fx = 1 + -1x + 4x Combine like terms: -1x + 4x = 3x fx = 1 + 3x Solving fx = 1 + 3x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = x-1 + 3 Simplifying f = x-1 + 3 Reorder the terms: f = 3 + x-1
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