Official papers

Official 2017 Paper 1 · Q18

Paper 1Functions & graphsPowers & logarithms

The graph of y=log⁡10xy=\log_{10}x is translated in the positive yy-direction by 2 units.

This translation is equivalent to a stretch of factor kk parallel to the xx-axis.

What is the value of kk?

A0.010.01
Blog⁡102\log_{10}2
C0.50.5
D22
Elog⁡210\log_2 10
F100100

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