MCQ
If $p(x) = x + 3$, then $p(x) + p(-x)$ is equal to:
- A$2x$
- B$3$
- C$0$
- ✓$6$
✓
Answer
Correct option: D.
$6$
$p(x) = x + 3$ and $p(-x) = -x + 3$
Then,$ p(x) + p(-x)$
$= x + 3 - x + 3$
$= 6$
Then,$ p(x) + p(-x)$
$= x + 3 - x + 3$
$= 6$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If the height of a cone is doubled then its volume is increased by:
The simplest for of $0.\overline{32}$ is:
→The difference of semi-perimeter and the sides of $\triangle\text{ABC}$ are $8, 7$ and $5\ cm$ respectively. Its semi-perimeter $‘s’$ is:
→The number of surfaces of a cone has, is:
In the given figure, $BO$ and $CO$ are bisectors of $\angle\text{B}$ and $\angle\text{C}$ respectively. If $\angle\text{A}=50^\circ$ then $\angle\text{BOC}=?$
→In the adjoining figure, $AC= BD$. If $\angle\text{CAB} = \angle\text{DBA},$ then $\angle\text{ACB}$ is equal to:
→In $\triangle\text{ABC},$ it is given that $D$ is the midpoint of $BC; E$ is the midpoint of $BD$ and $O$ is the midpoint of $AE.$ Then, $\text{ar}(\triangle\text{BOE})=?$
→The perpendicular distance of the point $P(4, 3)$ from $y-$axis is:
→An irrational number between $\frac{1}{7}$ and $\frac{2}{7}$ is:
→If n is a natural number, then $\sqrt{\text{n}}$ is:
→