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How to find the range of a function y=x^2+3x+4
x^2+4x+5

Ved Aiyar , 10 Years ago
Grade 10
anser 1 Answers
ng29

Last Activity: 10 Years ago

its  quite simple just cross multiply the denominator with y , u will get quadratic equation in x
make discriminant of equation positive and equal to zero, now u will get quadratic in y
andu can solve the inequality to get the range
 
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