SOLUTION: Given f(x) = 5x2 – 3x + 1, find f(–2)

Algebra ->  Algebra  -> Functions -> SOLUTION: Given f(x) = 5x2 – 3x + 1, find f(–2)      Log On

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 85720: Given f(x) = 5x2 – 3x + 1, find f(–2)
Answer by jim_thompson5910(14933) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=5x%5E2-3x%2B1 Start with the given equation

f%28-2%29=5%28-2%29%5E2-3%28-2%29%2B1 Plug in x=-2

f%28-2%29=5%284%29-3%28-2%29%2B1 Square -2

f%28-2%29=20%2B6%2B1 Multiply

f%28-2%29=27 Combine like terms