If `f(x)=x^3+2x` then find the value of f(4)

Explanation

To find the value of \( f(4) \) for the function \( f(x) = x^3 + 2x \), we will follow these steps:

### Step 1: Substitute \( x \) with 4 in the function
We start with the function:
\[ f(x) = x^3 + 2x \]
Now, we need to find \( f(4) \):
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