If `A ={x in R :x^2+6x -7 <0)` and `B={x in R :x^2+9x+14>0}` then which of the following is/ or correct 1) `A nn B={x epsilon R:-2< x <1}`

If A={x in R:x^(2)+6x-7 0} then which of the following is/ or correct 1)A nn B={x varepsilon R:-2

If A={x in R: x^(2)+6x-7 lt 0} and B={ x in R: x^(2)+9x+14 gt 0} , then which of the following is/are correct ? 1. A cap B = {x in R: -2 x lt x lt 1} 2. AUB = {x in R: -7 lt x lt -2} Select the correct answer using the codes given below :

If A=|x inIR:x^(2)+6x-7lt0} and B={x inIR:x^(2)+9x+14gt0} , then which of the following is/are correct? 1. (AnnB)=(-2,1) 2. (A//B)=(-7,-2) Select the correct answer using the code given below:

Let A = {x:x in R " and " x^(2) -5x + 4 le 0} and B={x:x in R " and " x^(2)-12x + 45 gt 0} then which of the following is not true?

If f:R rarr R , f(x)=x^(2)-6x+5 then which of the following resembles the graph of y=f(|x|)

Solve each of the following system of equation in R:2x+6>=0,4x-7<0

Solve each of the following system of equation in R :2x+6geq0,\ 4x-7<0