The height of a telephone line is given by the equation h + 60, where h is the height of 6. %3D the telephone line and x is the distance from the lowest part of the line to a telephone pole. If the line hooks onto the pole at a height of 220 feet, what is the distance between the two poles? Give answer to the nearest hundredth. y-axis Telephone pole Tdephone pole X-axis

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.