Respuesta :

turning pt is where the slope of a function changes

f(x) changes direction at x=4 because |x-4| changes +/- there

so the turning pt is (4,-3)


x-4 is positive when x>4 and negative when x<4

so the function |x-4| changes sign at x=4

so the turning point of f(x)=|x-4|-3 is at x=4


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