Question

Evaluate: $\underset{x\to 3}{lim}(4x^2+3)$

• A. 36
• B. 39
• C. 40
• D. None of these

Answer 1

The correct option is B 39

Given, $\underset{x\to 3}{lim}(4x^2+3)$
Substituting $x=3$ , we get
$\underset{x\to 3}{lim}(4x^2+3)=4{\left(3\right)}^2+3=4\left(9\right)+3=36+3=39$