Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 3 - No. 20)
What is a key feature of a conversion graph used for calculating the value of different currencies?
A curved line showing the variable nature of the exchange rate.
A straight line indicating a constant exchange rate.
A graph that remains unchanged over time.
A vertical line showing the volatility of exchange rates.
Explanation
A conversion graph of currency usually uses a straight line because exchange rates are fairly constant.
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