If f(x)=3/x+2-_/x-3
To find f(19),we would insert (19) as x into the equation:
f(19)=3/(19)+2-_/19-3
=3/21-_/16
=1/7-4
=-27/7
Hope it helps!
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42 if you multiply 6 and 7 it's 42 and multiply 21 and 2 and it will be 42 so that's the common denominator
Answer:
converting the equation to improper fraction
31/5+(-38/5)
31/5-38/5( the plus sign affected the minus sign inside of the bracket which is+*- = -)
multiply both terms by 5
31-38= -7