Respuesta:
esta muy difícil por que no lo escanea en google?
1:
[tex]p(x) = 3x^{2} - 5x + 8[/tex] [tex]x = 4[/tex]
[tex]p(4) = 3(4)^{2} - 5(4) + 8[/tex]
[tex]p(4) = 48 - 20 + 8[/tex]
[tex]p(4) = 36[/tex]
2:
[tex]q(x) = 4x^{2} + 3x - 5\\x = -3\\\\q(-3) = 4(-3)^{2} + 3(-3) - 5\\q(-3) = 36 - 9 - 5\\q(-3) = 22[/tex]
3:
[tex]r(x) = 2x^{3} - 5x^{2} - 7x + 9\\x = -2\\\\r(-2) = 2(-2)^{2} - 5(-2)^{2} - 7(-2) + 9\\r(-2) = 8 - 20 + 14 + 9 \\r(-2) = 11[/tex]
// B:
4:
[tex]4x^{2} + 5x^{2} + x^{2} \\9x^{2} +x^{2} \\10x^{2}[/tex]
5:
[tex]-8n^{3} - 4n^{3} - n^{3} \\-12n^{3} - n^{3}\\-13n^{3}[/tex]
6:
[tex]7x^{4} - 12x^{4}\\-5x^{4}[/tex]
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Respuesta:
esta muy difícil por que no lo escanea en google?
Verified answer
Respuesta:
1:
[tex]p(x) = 3x^{2} - 5x + 8[/tex] [tex]x = 4[/tex]
[tex]p(4) = 3(4)^{2} - 5(4) + 8[/tex]
[tex]p(4) = 48 - 20 + 8[/tex]
[tex]p(4) = 36[/tex]
2:
[tex]q(x) = 4x^{2} + 3x - 5\\x = -3\\\\q(-3) = 4(-3)^{2} + 3(-3) - 5\\q(-3) = 36 - 9 - 5\\q(-3) = 22[/tex]
3:
[tex]r(x) = 2x^{3} - 5x^{2} - 7x + 9\\x = -2\\\\r(-2) = 2(-2)^{2} - 5(-2)^{2} - 7(-2) + 9\\r(-2) = 8 - 20 + 14 + 9 \\r(-2) = 11[/tex]
// B:
4:
[tex]4x^{2} + 5x^{2} + x^{2} \\9x^{2} +x^{2} \\10x^{2}[/tex]
5:
[tex]-8n^{3} - 4n^{3} - n^{3} \\-12n^{3} - n^{3}\\-13n^{3}[/tex]
6:
[tex]7x^{4} - 12x^{4}\\-5x^{4}[/tex]