Concept explainers
A function is given algebraically by the formula f(x) = (x − 4)2 + 3. Complete these other ways to represent f:
- (a) Verbal: “Subtract 4, then __________ and __________.
- (b) Numerical:
x | f(x) |
0 | 19 |
2 | |
4 | |
6 |
(a)
The function
Answer to Problem 4E
The function
Explanation of Solution
The given function is,
The term
The term
The term
Thus, the function
(b)
The value for
Answer to Problem 4E
The table is filled as given below,
x |
|
0 | 19 |
2 | 7 |
4 | 3 |
6 | 7 |
Explanation of Solution
Given:
The given function is,
The table of different values is given below,
x |
|
0 | 19 |
2 | |
4 | |
6 |
Calculation:
Substitute 2 for x in equation (1), to find the value of
Substitute 4 for x in equation (1), to find the value of
Substitute 6 for x in equation (1), to find the value of
Thus, the table is filled as given below,
x |
|
0 | 19 |
2 | 7 |
4 | 3 |
6 | 7 |
Chapter 2 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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