1. Start with the given function: f(x) = x + 2.
2. Substitute x+7 for x in the function: f(x+7).
3. Calculate f(x+7): f(x+7) = (x+7) + 2.
4. Simplify the expression: x + 7 + 2 = x + 9.
Answer: F(x+7) = x + 9.
Frequently asked questions (FAQs)
Question: Find the area of a triangle with sides of length 5, 12, and 13 using Heron's formula.
+
Question: What is the value of sine in the unit circle at an angle of 45 degrees?
+
What is the speed of a train that covers a distance of 300 km in 2.5 hours?