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zaddyrenii
zaddyrenii zaddyrenii
  • 13-06-2016
  • Mathematics
Answered

What is f(–3) for the function f(a) = –2a2 – 5a + 4?

Verified Answer :

Allatron
Allatron Allatron
  • 13-06-2016

F(-3) = -2(-3)2 - 5(-3) +4
            - 6 x 2 -15 + 4
                - 12 -15 +4
                    - 27 + 4
                           -23

I believe this is how to solve the equation. I could be wrong.

Answer Link
atharvalawate9
atharvalawate9 atharvalawate9
  • 13-06-2016

Its easy 
just substitute (-3) in the place of 'a'.

f(-3) = -2(-3)^2 - 5(-3) +4
        = -18 + 15 + 4
        = 1

I hope this helped :D

Answer Link

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