Battashpaula Battashpaula

31-08-2016
Mathematics

Answered

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

Verified Answer :

Kalahira Kalahira

13-04-2017

The answer is 1. f(a) = –2a^2 – 5a + 4. If a = -3, then to find f(-3) we
have to substitute a in the general formula. f(a) = –2a^2 – 5a + 4 = -2

a^2 – 5 a + 4. Substitute a with -3. f(-3) = –2 (-3)^2 – 5 (-3)
4 = -2 9 - (-15) + 4 = -18 + 15 + 4 = 1

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