The graph above shows the temperature in a room during a day when the thermostat malfunctioned. For which of the following two-hour periods was the difference between the maximum and minimum temperatures greatest?

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

answer: 10 meter

step-by-step explanation:

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