EVALUATION
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[tex] \sf \large1. \: \: 6x - 9 \: \: if \: \: x = - 1[/tex]
[tex] \implies \sf \large6( - 1) - 9[/tex]
[tex]\implies \sf \large - 6 - 9[/tex]
[tex]\implies \sf \large \therefore \orange{\: - 15}[/tex]
[tex] \: [/tex]
[tex]\sf \large2. \: \: 2 {x}^{2} + 5 \: \: if \: \: x = 0[/tex]
[tex] \implies \sf \large2 {(0)}^{2} + 5[/tex]
[tex]\implies \sf \large2 {(0)} + 5[/tex]
[tex]\implies \sf \large0 + 5[/tex]
[tex]\implies \sf \large \therefore \orange{\: 5}[/tex]
[tex] \: [/tex]
[tex]\sf \large3. \: \: {x}^{2} - 3x + 2 \: \: if \: \: x = 2[/tex]
[tex] \implies \sf \large {1}^{2} - 3(1) + 2[/tex]
[tex]\implies \sf \large {1} - 3 + 2[/tex]
[tex]\implies \sf \large \therefore \orange{\: 0}[/tex]
[tex] \: [/tex]
[tex]\sf \large4. \: \: 3{x}^{3} + 2 {x}^{2} - x + 8 \: \: if \: \: x = 2[/tex]
[tex]\implies \sf \large 3 {(2)}^{3} + 2 {(2)}^{2} - 2 + 8[/tex]
[tex]\implies \sf \large 3(8) + 2 (4) - 2 + 8[/tex]
[tex]\implies \sf \large 24 + 8 - 2 + 8[/tex]
[tex]\implies \sf \large \therefore \orange{\: 38}[/tex]
[tex] \: [/tex]
[tex] \sf \large5. \: \: 6x - 9 \: \: if \: \: x = 1[/tex]
[tex] \implies \sf \large6( 1) - 9[/tex]
[tex] \implies \sf \large6 - 9[/tex]
[tex]\implies \sf \large \therefore \orange{\: - 3}[/tex]
[tex] \: [/tex]
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