Nilai dari x→−4limx−4x2−6x+8=...

Pertanyaan

Nilai dari $limit as x rightwards arrow negative 4 of fraction numerator x squared minus 6 x plus 8 over denominator x minus 4 end fraction equals...$

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

nilai dari $limit as x rightwards arrow negative 4 of fraction numerator x squared minus 6 x plus 8 over denominator x minus 4 end fraction equals negative 6$ .

Pembahasan

Substitusi x = negative 4 :

$table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow negative 4 of fraction numerator x squared minus 6 x plus 8 over denominator x minus 4 end fraction end cell equals cell fraction numerator open parentheses negative 4 close parentheses squared minus 6 open parentheses negative 4 close parentheses plus 8 over denominator negative 4 minus 4 end fraction end cell row blank equals cell fraction numerator 16 plus 24 plus 8 over denominator negative 8 end fraction end cell row blank equals cell fraction numerator 48 over denominator negative 8 end fraction end cell row blank equals cell negative 6 end cell end table$

Jadi nilai dari $limit as x rightwards arrow negative 4 of fraction numerator x squared minus 6 x plus 8 over denominator x minus 4 end fraction equals negative 6$ .