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If f(x)=2x^2-1, then f(-3)=

If f(x)=2x^2-1, then f(-3)=
asked 96.3k views
4 votes
If f(x)=2x^2-1, then f(-3)=

asked
User Bun Suwanparsert
by
8.0k points

1 Answer

1 vote

Answer:

f(-3) =17

Explanation:

f(x)=2x^2-1

Let x = -3

f(-3)=2(-3)^2-1

= 2(9) -1

= 18-1

17

answered
User Pandelis
by
8.0k points
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