Chapter 1 Functions and Change
1.1 What Is a Function?
1) f (x) is the age of Antarctic ice (in hundreds of years) at a depth of x meters below the surface.
increasing or decreasing?
Answer: increasing
Diff: 1 Var: 1
Section: 1.1
Learning Objectives: Understand the properties and terminology of functions: input/output,
function notation, intercepts, increasing/decreasing.
2) A graph of y = f (x) is given in the following figure.
A. What is f (5) (to the nearest whole number)?
B. What is the domain of the function?
Answer:
A. 0
B. 0 ≤ x ≤ 7
Diff: 1 Var: 1
Section: 1.1
Learning Objectives: Understand the properties and terminology of functions: input/output,
function notation, intercepts, increasing/decreasing.
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