SOLUTION: f(x)=3x(2x-1). f(-1)= My answer 7. Is this right. thanks for looking.

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Question 45138This question is from textbook Finite math
: f(x)=3x(2x-1). f(-1)= My answer 7. Is this right. thanks for looking. This question is from textbook Finite math

Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 3x(2x-1). To find f(-1), substitute -1 for each x:
f(-1) = -3(-2-1)=-3*-3 = 9.

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