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Simplifying f(x) = (0.2) * 4(-1) Multiply f * x fx = (0.2) * 4(-1) Multiply 0.2 * 4 fx = 0.8 * -1 Multiply 0.8 * -1 fx = -0.8 Solving fx = -0.8 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -0.8x-1 Simplifying f = -0.8x-1
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