Evaluate Using the Given Value f(3)=5(3)^2+3(3)

$f (3) = 5 {(3)}^{2} + 3 (3)$

Step 1

Simplify each term.

Raise $3$ to the power of $2$ .

$f (3) = 5 \cdot 9 + 3 (3)$

Multiply $5$ by $9$ .

$f (3) = 45 + 3 (3)$

Multiply $3$ by $3$ .

$f (3) = 45 + 9$

Step 2

Add $45$ and $9$ .

$f (3) = 54$