The thermostat in Steffi's house is set to 56°F. The actual temperature variance in her house can be modeled by the inequality |t - 56| = 3. Plot the range of possible temperatures in her house.

Question

Mathematics

Greenie

5 January, 13:14

The thermostat in Steffi's house is set to 56°F. The actual temperature variance in her house can be modeled by the inequality |t - 56| = 3. Plot the range of possible temperatures in her house.

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Harrison White · Answer 1

Step-by-step explanation:

|t - 56| = 3 states that the temperature, t, can be as low as (56-3) °F, or 53°F, and as high as (56+3) °F, or 59°F.

On a number line, plot a dark dot at both 53°F and 59°F, and then connect these two dots with a solid line.