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OpenStudy (anonymous):
If f(x) = │(x² - x - 15)│, what is the value of f(3) ?
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OpenStudy (anonymous):
replace all of x with the 3, then solve
OpenStudy (anonymous):
what about modulus
OpenStudy (anonymous):
f(3) = │(3² - 3 - 15)│
OpenStudy (anonymous):
answer 9
OpenStudy (anonymous):
is it correct ?
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OpenStudy (anonymous):
hang on
OpenStudy (anonymous):
yes. |-9| = 9 is correct.
OpenStudy (anonymous):
but i think ur answer needs to be f(3)=9
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