3.4: (a, b)

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Page ID: 164580

Victoria Dominguez, Cristian Martinez, & Sanaa Saykali
Citrus College via ASCCC Open Educational Resources Initiative

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Katika sehemu hii, mwisho wote haujumuishwa katika kipindi hicho.

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$(2,5)$

Suluhisho

Muda hapo juu unajumuisha namba zote kati ya 2 na 5, lakini kwa sababu muda una mabano kwenye pande zote za kushoto na za kulia za muda, pointi za mwisho hazijumuishwa.

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$(-4,10)$

Suluhisho

Sawa na maelezo ya mifano ya awali, pointi za mwisho hazijumuishwa katika kipindi. Hivyo muda unajumuisha kila namba kati ya -4 na 10, lakini si -4 na 10.

Kwa sasa, wanafunzi wanapaswa kuwa na wazo kubwa la namba ambazo zinajumuishwa na hazijumuishwa katika mifano hapo juu. Wanafunzi wanapaswa pia kuwa na uwezo wa kuchambua mstari wowote wa nambari na kuandika nukuu inayofaa ya muda kwa mstari wa namba hiyo. Jaribu mazoezi yafuatayo ili uangalie ufahamu.