### Home > PC > Chapter 5 > Lesson 5.1.1 > Problem 5-5

5-5.

Suppose varies directly as

*. Find*

*. Hint: First find*

*.*

Write the direct variation equation.

Substitute the given point to find *k*.

Write the function with the *k* value.

Find *f*(4).

5-5.

Suppose varies directly as

Write the direct variation equation.

Substitute the given point to find *k*.

Write the function with the *k* value.

Find *f*(4).