Mathematics for IGCSE & O level - Sketching Curves (Section 3 - No. 46)
Which of the following statements is TRUE regarding the graph of \(y = -2^x\)?
It crosses the y-axis at (0, -2).
It is an increasing function.
It has a horizontal asymptote at y = 0.
It has a y-intercept of 2
Explanation
The graph is a reflection of y=2^x, thus the asymptote is at y=0.
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