# SOLUTION: Ok the problem is functions where the instructions say find f(-3), f(0), f(5) where f(a)=3/4a -1. Im terrible with fractions. I need help in how to understand the solutions whic

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: Ok the problem is functions where the instructions say find f(-3), f(0), f(5) where f(a)=3/4a -1. Im terrible with fractions. I need help in how to understand the solutions whic      Log On

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 Algebra: Rational Functions, analyzing and graphing Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Rational-functions Question 87129: Ok the problem is functions where the instructions say find f(-3), f(0), f(5) where f(a)=3/4a -1. Im terrible with fractions. I need help in how to understand the solutions which in the back of the book have: -13/4,-1,11/4. i get the answer for f(0) but what about the others. help please. im terrible with fractions.Answer by longjonsilver(2297)   (Show Source): You can put this solution on YOUR website! so when a=-3 we get: so now... lets write the 1 as quarters seeing as we have quarters in -9/4. One is 4 quarters --> 4/4 so we get: so this says -9 quarters -another 4 quarters... that is -13 quarters, written as . Hope this helps cheers jon