Jonathan Goh Shi Nam's answer to Damien Tan's Secondary 3 E Maths Singapore question.

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Jonathan Goh Shi Nam
Jonathan Goh Shi Nam's answer
1 answers (Tutor Details)
there is an asymptote at y=1. this means that the graph is shifted up by 1 unit and hence the value of b must be 1. For equations y = f(x) +c, c is the number of units that the graph is translated/shifted in the direction of the y-axis.