Phương trình đường tiệm cận ngang của đồ thị hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2 % da9maalaaabaGaaG4maiabgkHiTiaaisdacaWG4baabaGaeyOeI0Ia % aGOmaiaadIhacqGHRaWkcaaIXaaaaaaa!3FB0! y = \frac{{3 - 4x}}{{ - 2x + 1}}\) là:
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Lời giải:
Báo sai\(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaCbeaeaaci % GGSbGaaiyAaiaac2gaaSqaaiaadIhacqGHsgIRcqGHRaWkcqGHEisP % aeqaaOWaaSaaaeaacaaIZaGaeyOeI0IaaGinaiaadIhaaeaacqGHsi % slcaaIYaGaamiEaiabgUcaRiaaigdaaaGaeyypa0ZaaCbeaeaaciGG % SbGaaiyAaiaac2gaaSqaaiaadIhacqGHsgIRcqGHRaWkcqGHEisPae % qaaOWaaSaaaeaadaWcaaqaaiaaiodaaeaacaWG4baaaiabgkHiTiaa % isdaaeaacqGHsislcaaIYaGaey4kaSYaaSaaaeaacaaIXaaabaGaam % iEaaaaaaGaeyypa0JaaGOmaaaa!58EC! \mathop {\lim }\limits_{x \to + \infty } \frac{{3 - 4x}}{{ - 2x + 1}} = \mathop {\lim }\limits_{x \to + \infty } \frac{{\frac{3}{x} - 4}}{{ - 2 + \frac{1}{x}}} = 2\)