Val’s whole house central air conditioner uses 4,000 watts when running Val runs the ac 6 hrs per summer day electricity cost (1
1 answer:
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Check the one-sided limits:
If <em>f(x)</em> is to be continuous at <em>x</em> = 5, then these two limits should have the same value, which means
5<em>k</em> = 200
<em>k</em> = 200/5
<em>k</em> = 40