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Evaluate the function $f(k)=3 k^{2}+6$ when $k=-3$

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Answer

Final Answer: The value of the function $f(k)=3 k^{2}+6$ when $k=-3$ is $\boxed{33}$.

Steps

Step 1 ：The question is asking to evaluate the function $f(k)=3 k^{2}+6$ when $k=-3$.

Step 2 ：To solve this, we need to substitute $k=-3$ into the function and calculate the result.

Step 3 ：Substituting $k=-3$ into the function, we get $f(-3)=3(-3)^{2}+6$.

Step 4 ：Solving this, we get $f(-3)=33$.

Step 5 ：Final Answer: The value of the function $f(k)=3 k^{2}+6$ when $k=-3$ is $\boxed{33}$.