Q) Show that 𝑓:𝑅_+β†’[βˆ’5,∞) given by 𝑓(π‘₯)=4π‘₯^2+4π‘₯βˆ’5 is both one-one and onto where 𝑅_+=[0,∞).
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Q) Show that 𝑓:𝑅_+β†’[βˆ’5,∞) given by 𝑓(π‘₯)=4π‘₯^2+4π‘₯βˆ’5 is both one-one and onto where 𝑅_+=[0,∞).
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