
Home > PC > Chapter 5 > Lesson 5.1.1 > Problem 5-5
5-5.
Write the direct variation equation.
Substitute the given point to find k.
y = k(x2 − 4)
2 = k(32 − 4)
2 = k(5)
Write the function with the k value.
Find f(4).
Write the direct variation equation.
Substitute the given point to find k.
y = k(x2 − 4)
2 = k(32 − 4)
2 = k(5)
Write the function with the k value.
Find f(4).