Question

For the function $f\left(x\right)=4x+2.$
Match the following.

• A. $2$
• B. $-2$
• C. $6$
• D. $4z-2$

Answer 1

$\underset{–}{Givenfunction}:f\left(x\right)=4x+2$

Now, $f\left(0\right)$ is the value of $f\left(x\right)$ when $x=0$

$⟹$ $f\left(0\right)=4\times 0+2=2$
[Putting $x=0$ in expression $f\left(x\right)=4x+2$]

Similarly, $f(-1)=4\times (-1)+2=-2$

$f\left(1\right)=4\times 1+2=6$

$f(z-1)=4(z-1)+2=4z-2$