find the interval in which the function f(x)=x^2+7x-60 is increasing
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Step-by-step explanation:
Now,
x2−7x−60=0
or, x2−12x+5x−60=0
or, x(x−12)+5(x−12)=0
or, (x−12)(x+5)=0
or, x=12,−5
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