Select the correct answer an air conditioning unit promises to have a cooling capacity of 6,000 british thermal units (btu). the unit has a maximum variance of y btu. if x is the air conditioning unit's actual capacity, which graph could be used to determine variance levels that would cause a unit to be rejected because of its cooling capacity? (a, b,c, d)

The correct option is B.

Step-by-step explanation:

Let x is the  air conditioning unit's actual capacity and y is the maximum variance in British thermal units (Btu).

It is given that an air conditioning unit promises to have a cooling capacity of 6,000 British thermal units (Btu).

It means the maximum variance is less than or equal to absolute difference of actual capacity and 6,000.

The related equation of this inequality is a V-shaped curve with vertex (6000,0) and y-intercept (0,6000). Related curve is a solid curve because the points on curve included in the solution set.

The shaded region lie below the curve because the sign of inequality is ≤.

Therefore the correct option is B.

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