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Instructions
Directions for the next 3 questions:
Given below are three graphs made up of straight-line segments shown as thick lines. In each case choose the answer as:
a) if f(x)=3f(-x)
b) if f(x)= -f(-x)
c) if f(x) = f(-x)
d) if 3f(x) = 6f(-x), for x >= 0
Solution
In the given graph, the value of y is constant irrespective of the value of x. Hence value of y would be same for a particular x and -x.
Hence f(x) = f(-x)
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