Asked by maddy
If the range of y= 1/f(x) is {y|y<-1/4= or y>0,yER}, then the range of y= f(x)
may be?
A) {y|y<-4 ,yER}
B) {y|y>-4 ,yER}
C) {y|y>-1/4 ,yER}
D) {y|-4<y<-1/4,yER}
may be?
A) {y|y<-4 ,yER}
B) {y|y>-4 ,yER}
C) {y|y>-1/4 ,yER}
D) {y|-4<y<-1/4,yER}
Answers
Answered by
oobleck
consider f(x) = 4(x^2-1)
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