Question

$\text{Find the value of a, if}f\left(2\right)=10$
$\text{and}f\left(x\right)=4x+a.$

• A. 2
• B. 4
• C. 8
• D. 10

Answer 1

The correct option is A 2

$\text{Given,}f\left(x\right)=4x+a$

$\text{Also,}f\left(2\right)=10$
$\Rightarrow f\left(2\right)=4\times 2+a=10$
$\Rightarrow a=10-8=2$