SOLUTION: if f(x)=4x-3 find f(-1)

Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: if f(x)=4x-3 find f(-1)      Log On

Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo .
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 80491: if f(x)=4x-3 find f(-1)
Answer by tutor_paul(427) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=4x-3
To find f(-1), simply replace x by -1 in the equation:
f%28-1%29=4%28-1%29-3
f%28-1%29=-4-3
highlight%28f%28-1%29=-7%29
Good Luck,
tutor_paul@yahoo.com