The cost of a fan is Rs 1,600. If Mrs. Khadka purchased it with 13% VAT, how muc did she pay for it?
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The actual question doesn't ask for g(x) or f(x), only their difference k. We count squares, say on the y axis, and get k=5, i.e. g(x)=f(x)+5.
If we really want to know the equations of each line, we see the slope is 1/3 and f and g have respective y intercepts -2 and 3. So
If we really want to know the equations of each line, we see the slope is 1/3 and f and g have respective y intercepts -2 and 3. So