For what value of the constant is the function continuous on where
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The answer here is 3 right? 18/6 = 3
the left-hand limit lim y-->5- f(y) is 25 - c.
the right-hand limit lim y-->5+ f(y) is 5c + 7.
continuity at 5, means these must be equal:
25 - c = 5c + 7
18 = 6c
c = 3
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