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BA: Evaluating Functions Examples 1 1.0

magludi1

 

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Evaluate:

1. 5x2 + 6x - 3, when x = 2. Substitute 2 for x:  5(2)2 + 6(2) – 3=20+12-3=29

2. 2(x - y)2 + 3y - 5x + 4, when x = -1 and y = 2. Substitute -1 for x and 2 for y: 2(-1 - 2)2 + 3*2 – 5(-1) + 4= 18+6+5+4=33

3. 2z3 - 16z2 + 38, when z=4. Substitute 4 for z: 2*43 - 16*42 + 28 = 2*64 - 16*16 +38 = 128 -256 +28=-100

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Author:   magludi1  Version:  2  Prototype:  => ba combining like terms examples 1 1 0  Language: English  Views: 1

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Created by magludi1 at 2022-10-10 17:21:25
Last modified by magludi1 at 2022-10-12 09:59:58