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The problem is asking for the function value when \( x = 6 \) in the function \( f(x) = 40 - \frac{60}{x} \).

Let's calculate \( f(6) \):

\[
f(6) = 40 - \frac{60}{6}
\]
\[
f(6) = 40 - 10 = 30
\]

So, the function value \( f(6) \) is **30**.

Would you like more details on how the calculation was done, or do you have any questions?

Here are 5 related questions:
1. What happens to the function as \( x \to 0 \)?
2. How does the value of \( f(x) \) change as \( x \) increases?
3. What is the domain of the function \( f(x) = 40 - \frac{60}{x} \)?
4. How would you find the inverse of the function \( f(x) \)?
5. Can you find the function's derivative, \( f'(x) \), and interpret its meaning?

**Tip**: When evaluating a function at a given \( x \)-value, always substitute the value directly into the expression and simplify step by step.

Hvad er funktionsværdien, når x = 6 i funktionen f(x) = 40 - (60/x)?

Learn how to find the function value when x = 6 in the equation f(x) = 40 - (60/x). This problem covers key algebraic concepts, such as function evaluation and substitution. Suitable for students in Grades 8-10.

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