Q) Check whether the relation 𝑆 inthe set of all real numbers (ℝ)defined by 𝑆={(𝑎,𝑏):𝑎≤𝑏^3 }

Q) Show that the function 𝑓:𝑅→𝑅 defined by 𝑓(𝑥)=4𝑥^3−5,∀𝑥∈𝑅 is one-one and onto