Question

Given $f (x) = 3 x + 4$ , find $f (4)$

Answer

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Answer

So, the final answer is $16$ .

Steps

Step 1 ：Given the function $f (x) = 3 x + 4$ , we are asked to find the value of the function at $x = 4$ .

Step 2 ：Substitute $x = 4$ into the function $f (x) = 3 x + 4$ .

Step 3 ：This simplifies to $f (4) = 3 * 4 + 4$ .

Step 4 ：Calculating the expression gives $f (4) = 16$ .

Step 5 ：So, the final answer is $16$ .