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What is the value of f(−1) when f(x)=2x 2?

What is the value of f(−1) when f(x)=2x 2?
asked 227k views
4 votes
What is the value of f(−1) when f(x)=2x 2?

asked
User Sanaz
by
8.6k points

1 Answer

5 votes
f(x)=2x*2
f(-1)=2(-1)*2
f(-1)= -2*2
f(-1)= -4
answered
User Raymond Roestenburg
by
8.1k points
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