If Rs= 5Ω, Rf= 25Ω and -2.5V ≤ vg ≤ 2.5V. What are the smallest power supply voltages that could be applied and still have opamp in linear region?

(a) ±9V

(b) ±2.5V

(c) ±6V

(d) ±15V

I had been asked this question during an online exam.

Asked question is from The Inverting and Non-Inverting Amplifier Circuit in section The Operational Amplifier of Electric Circuits

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