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Category: Relation and Functions

f-x-x-2-2x-6-x-1-x-4-2x-3-2-x-lt-1-show-that-there-is-a-number-c-2-3-such-that-f-c-4-

Question Number 90287 by jagoll last updated on 22/Apr/20 $$\mathrm{f}\left(\mathrm{x}\right)\:=\:\begin{cases}{\mathrm{x}^{\mathrm{2}} −\mathrm{2x}+\mathrm{6}\:,\:\mathrm{x}\geqslant\mathrm{1}}\\{\mathrm{x}^{\mathrm{4}} +\mathrm{2x}^{\mathrm{3}} +\mathrm{2}\:,\mathrm{x}<\mathrm{1}}\end{cases} \\ $$$$\mathrm{show}\:\mathrm{that}\:\mathrm{there}\:\mathrm{is}\:\mathrm{a}\:\mathrm{number}\: \\ $$$$\mathrm{c}\:\in\:\left(−\mathrm{2},\mathrm{3}\right)\:\mathrm{such}\:\mathrm{that}\:\mathrm{f}\left(\mathrm{c}\right)\:=\:\mathrm{4} \\ $$ Answered by MJS last updated on…

Given-that-f-g-x-2-2x-2-x-4-and-g-x-x-x-2-find-f-x-

Question Number 155809 by zainaltanjung last updated on 05/Oct/21 $$\:\:\mathrm{Given}\:\mathrm{that}\:{f}\circ{g}\:=\:\frac{{x}^{\mathrm{2}} }{\mathrm{2}{x}^{\mathrm{2}} \:−\:{x}\:+\:\mathrm{4}}\:\:\mathrm{and} \\ $$$$\:\:{g}\left({x}\right)\:=\:\frac{{x}}{{x}\:−\:\mathrm{2}},\:\mathrm{find}\:{f}\left({x}\right)\:? \\ $$$$ \\ $$ Answered by PRITHWISH SEN 2 last updated…

a-function-f-is-defined-on-the-positive-integers-satisfies-f-1-1002-amp-f-1-f-2-f-3-f-n-n-2-f-n-find-f-2003-

Question Number 90259 by john santu last updated on 22/Apr/20 $${a}\:{function}\:{f}\:{is}\:{defined}\:{on}\: \\ $$$${the}\:{positive}\:{integers}\:{satisfies}\: \\ $$$${f}\left(\mathrm{1}\right)\:=\:\mathrm{1002}\:,\:\&\:{f}\left(\mathrm{1}\right)+{f}\left(\mathrm{2}\right)+{f}\left(\mathrm{3}\right)+ \\ $$$$…\:+{f}\left({n}\right)\:=\:{n}^{\mathrm{2}} \:{f}\left({n}\right)\:. \\ $$$${find}\:{f}\left(\mathrm{2003}\right)\: \\ $$ Answered by mr…

for-what-value-of-y-will-x-2-4-6x-8-lies-between-a-positive-integer-

Question Number 24352 by tawa tawa last updated on 16/Nov/17 $$\mathrm{for}\:\mathrm{what}\:\mathrm{value}\:\mathrm{of}\:\mathrm{y}\:\mathrm{will}\:\:\frac{\mathrm{x}^{\mathrm{2}} \:+\:\mathrm{4}}{\mathrm{6x}\:−\:\mathrm{8}}\:\:\mathrm{lies}\:\mathrm{between}\:\mathrm{a}\:\mathrm{positive}\:\mathrm{integer}. \\ $$ Commented by math solver last updated on 16/Nov/17 $$\mathrm{might}\:\mathrm{be}\:\mathrm{it}\:\mathrm{is}\:\mathrm{y}=\:\mathrm{x}^{\mathrm{2}} +\mathrm{4}/\mathrm{6x}−\mathrm{8}\:……. \\…