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OpenStudy (anonymous):
how do you determine that f(x)=-|x| +1 has two zeros?
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OpenStudy (anonymous):
solve the equation for for the absolute value 0 = -IxI +1 -1 = -IxI 1= IxI then since it's absolute value, it is equal to plus or minus that IxI = 1 x = +1 and x=-1
OpenStudy (anonymous):
yay!
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