Question

evaluate the expression $4^2 + 4x$ if $x = 3$.
23
28
59
20

Explanation:

Step1: Calculate \(4^2\)

\(4^2 = 16\)

Step2: Substitute \(x = 3\) into \(4x\)

\(4x = 4\times3 = 12\)

Step3: Add the results

\(16 + 12 = 28\)

Answer:

28