Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Join our Q&A platform and connect with professionals ready to provide precise answers to your questions in various areas. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.
Sagot :
[tex]x > 1\ \wedge\ y < -1\\\\A.\ \frac{x}{y} > 1-FALSE;example:x=2;\ y=-2\ then\\L=\frac{2}{-2}=-1;R=1;\ L < R\\\\B.\ |x|^2 > |y|-FALSE;example:x=2;\ y=-6\ then\\L=|2|^2=2^2=4;R=|-6|=6;\ L < R\\\\C.\ \frac{x}{3}-5 > \frac{y}{3}-5-TRUE;\frac{x}{3}-5 > \frac{y}{3}-5\to\frac{x}{3} > \frac{y}{3}\to x > y[/tex]
[tex]D.\ x^2+1 > y^2+1-FALSE;example:x=2;\ y=-3\ then\\L=2^2+1=4+1=5;R=(-3)^2+1=9+1=10;L < R\\\\E.\ x^{-2} > y^{-2}-FALSE;example:x=3;\ y=-2\ then\\L=3^{-2}=\frac{1}{9};R=(-2)^{-2}=\frac{1}{4};\ L < R[/tex]
[tex]D.\ x^2+1 > y^2+1-FALSE;example:x=2;\ y=-3\ then\\L=2^2+1=4+1=5;R=(-3)^2+1=9+1=10;L < R\\\\E.\ x^{-2} > y^{-2}-FALSE;example:x=3;\ y=-2\ then\\L=3^{-2}=\frac{1}{9};R=(-2)^{-2}=\frac{1}{4};\ L < R[/tex]
Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.
