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Given f(x) =2x^2-4x-5, find f(3)
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5 votes
Given f(x) =2x^2-4x-5, find f(3)

User Patrine
by
5.7k points

2 Answers

1 vote

Answer:

substitute 3 in for x

f(x)=2(3)^2-4(3)-5

=18-12-5

=1

Explanation:

User Volvox
by
5.9k points
7 votes

substitute 3 in for x

f(x)=2(3)^2-4(3)-5

=18-12-5

=1

User Dunbarx
by
6.2k points
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