SOLUTION: f(x)=2x2+2x-7 f(2) f(4)

Algebra ->  Systems-of-equations -> SOLUTION: f(x)=2x2+2x-7 f(2) f(4)      Log On


   



Question 358465: f(x)=2x2+2x-7
f(2)
f(4)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi,
f%28x%29=2x%5E2%2B2x-7
f(2) substituting 2 for x in the equation
f%282%29=2%2A2%5E2%2B2%2A2-7+=+8+%2B+4+-7+=+5
f(4) substituting 4 for x in the equation
f%282%29=2%2A4%5E2%2B2%2A4-7+=+32+%2B+8+-7+=+33