答案:E
解析:
f(x) = 0.2 when the point (x,0.2) is on the graph of f. Drawing the line y = 0.2, as in the graph below, shows that the y value is equal to 0.2 for four values of x between negative 1.5 and 1.5.
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答案:E
解析:
f(x) = 0.2 when the point (x,0.2) is on the graph of f. Drawing the line y = 0.2, as in the graph below, shows that the y value is equal to 0.2 for four values of x between negative 1.5 and 1.5.