If f(x) = 4x – 7 and g(x) = 2x + 4, evaluate f(x) + g(x) for x = –3.
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Ratio of perimeters of smaller solid to larger solid = ratio of the sides of the corresponding sides of smaller solid and larger solid .
Let the perimeter of smaller solid =x and perimeter of larger solid =y. Therefore
Therefore the answer is 13/17 .