Mathematics for IGCSE & O level - Sketching Curves (Section 2 - No. 12)
What happens to the graph of y = 2^x if you subtract 4?
It is reflected in the y-axis.
It moves up 4 units.
It moves down 4 units.
It is reflected in the x-axis.
Explanation
Subtracting 4 shifts the graph down by 4 units.
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