a. Notice that f(5) = 0.5238. What does this tell us about the numerator and the denominator of f? When x = 5, the value of times as large as the value of x² – 4. is (Hint: In this case, the first answer should be an expression in terms of a, and the second answer should be a number.) b. Use function notation to represent the answer to the question, "when a 11.2, a +6 is how many times as large as a - 4?". Preview Submit

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.1: Functions And Function Notation
Problem 89SE: The number of cubic yards of dirt, D, needed to cover a garden with area a square feet is given by...
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Question
x + 6
Suppose f(x)
x2
- 4
a. Notice that f(5) = 0.5238. What does this tell us about the numerator and the denominator of f?
When x =
5, the value of
is
times as large as the value of x?
4.
(Hint: In this case, the first answer should be an expression in terms of x, and the second answer should be a number.)
b. Use function notation to represent the answer to the question, "when x =
11.2, x + 6 is how many times as large as x? – 4?".
Preview
Submit
Transcribed Image Text:x + 6 Suppose f(x) x2 - 4 a. Notice that f(5) = 0.5238. What does this tell us about the numerator and the denominator of f? When x = 5, the value of is times as large as the value of x? 4. (Hint: In this case, the first answer should be an expression in terms of x, and the second answer should be a number.) b. Use function notation to represent the answer to the question, "when x = 11.2, x + 6 is how many times as large as x? – 4?". Preview Submit
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