SOLUTION: Is the function f is defined by f(x)=2x^2 -x+2, then what is the value of 3f(5)+6

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Question 845088: Is the function f is defined by f(x)=2x^2 -x+2, then what is the value of 3f(5)+6
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

f(x)=2x^2 -x+2

f(5)=2%285%5E2%29+-5%2B2+=+50+-+5+%2B+2+=+47

3f(5)+6 = 3%2A47+%2B+6