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OpenStudy (anonymous):
if f(x) = 3/x+2 - square root x-3, complete the following statement F(19)=?
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hartnn (hartnn):
did u put x=19 in f(x) what do u get ?
OpenStudy (anonymous):
19=3/21- squareroot 19-3
OpenStudy (anonymous):
19=3/21-4?
OpenStudy (anonymous):
is the answer 3?
hartnn (hartnn):
3/21 is 1/7 actually, so, f(19) = 1/7 -4 or if you simplify = -27/7
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