## MATH 114N Week 7 Homework Section 17.5

**1. Question: **Find the following values for the function defined by

f(x) = x + 5.

**2. Question: **Find the following values for the function defined by

f(x) = x + 4.

**3. Question: **Find the following values for the function defined by

f(x) = x + 3

**4. Question: **Find the domain and the range of the relation and determine whether it is a function.

{(8,3),(- 9, – 5),(2, -1),(4, – 9)}

**5. Question:** Find the domain and the range of the relation, and tell whether the relation is a function.

**6. Question:** Determine whether the graph to the right is a function.

Using the vertical line test, is this the graph of a function?

**7. Question:** Decide whether y is a function of x.

y = – 3x – 1

**8. Question:** Decide whether the following equation defines y as a function of x.

y = 9

**9. Question:** Determine whether the relation is a function. Explain.

x = 5

**10. Question:** Determine whether the relation is a function. Explain.

x = 9

**11. Question:** Given the function f(x) = x^{2} – x + 3 find each of the following.

f(6), f( – 10), f(0)

**12. Question:** Given the function f(x) = |x + 1| find each of the following.

f(4), f( – 4), f(0)

**13. Question:** Write the information on the chart as a set of ordered pairs and determine if the set defines a function.

**14. Question:** Suppose that g is the name given to the function represented by the graph and that g (2007) = 36.0(million). What does this tell you in the context of the application?

## STATUS