SOLUTION: Answer the questions about the given function, f(x)=2x^2-x-1.
a) Is the point (-1,2) on the graph f?
b) If x=-2, what is f(x)?
Algebra.Com
Question 1131210: Answer the questions about the given function, f(x)=2x^2-x-1.
a) Is the point (-1,2) on the graph f?
b) If x=-2, what is f(x)?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
f(-1)=2-(-1)-1=2, YES
f(-2)=8-(-2)-1=9
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