SOLUTION: f(x)=4x2-3x+2 f(-30)= NEED CALCULATIONS STEP BY STEP f=(30)= NEED CALCULATIONS STEP BY STEP Very confused - need help

SOLUTION: f(x)=4x2-3x+2 f(-30)= NEED CALCULATIONS STEP BY STEP f=(30)= NEED CALCULATIONS STEP BY STEP Very confused - need help - please!!!

Question 87889: f(x)=4x2-3x+2
f(-30)= NEED CALCULATIONS STEP BY STEP
f=(30)= NEED CALCULATIONS STEP BY STEP
Very confused - need help - please!!!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
#1
Start with the given polynomial

Plug in

Raise -30 to the second power to get 900

Multiply 4 by 900 to get 3600

Multiply 3 by -30 to get -90

Now combine like terms
----------------------------------------------------------------------
#2
Start with the given polynomial

Plug in

Raise 30 to the second power to get 900

Multiply 4 by 900 to get 3600

Multiply 3 by 30 to get 90

Now combine like terms

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