Indian Navy Pilot Relations and Functions — practice questions
6 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Indian Navy Pilot Relations and Functions in the app →If $(x+1,\,y-2)=(3,\,1)$, then $(x,y)$ equals:If $f(x)=x^2+1$, then $f(2)$ equals:A relation $R$ on a set $A$ is reflexive if:A function $f:A\to B$ is onto (surjective) if:For functions $f$ and $g$, the composition $(g\circ f)(x)$ means:If $|A| = 3$ and $|B| = 4$, the number of elements in $A \times B$ is: