Starting with the graph of f(x) = 2", write the equation of the graph that results when: (a) f(x) is shifted 4 units upward. y =
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(b) f(x) is shifted 1 units to the right. y =
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(c) f(x) is reflected about the x-axis and the y-axis. y =
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14