45 +4(z+ 5). He wants to know if öne Martin is considering the expressions (7a + 48) and- (a) greater than the other for all values of a. Part A Which statement about the relationship between the expressions is truer The value of the expression (7z + 48) is always equal to the value of the expression + (z + 5). 1. The value of the expression (7z + 48) is always less than the value of the expression + 4 (z + 5). 1 The value of the expression (7z + 48) is always greater than the value of the expression 2N + 4 (z + 5). The value of the expression 5 (7z + 48)is sometimes greater than and sometimes less than the value of the expression - +4 (z + 5). (b) Part B Show or explain how you found your answer to Part A. Enter your work or your explanation in the box provided. (c) Part C Write a new expression that always has a greater value than both of these expressions. Enter your expressions in the box provided.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
45
+4(z+5). He wants to know if one expression is
Martin is considering the expressions
(7a + 48) and
(a) greater than the other for all values of a.
Part A
Which statement about the relationship between the expressions is true?
The value of the expression
5 (7z + 48) is always equal to the value of the expression
+ (z + 5).
The value of the expression
- (7a + 48) is always less than the value of the expression
) +4 (z+ 5).
- 3
1
5 (7x + 48) is always greater than the value of the expression
The value of the expression
(s-) -
I – 3) +4 (x + 5).
The value of the expression
2(7 + 48)is sometimes greater than and sometimes less than the value of the
expression -
+ 4 (x + 5).
(b)
Part B
Show or explain how you found your answer to Part A.
Enter your work or your explanation in the box provided.
(c)
Part C
Write a new expression that always has a greater value than both of these expressions.
Enter your expressions in the box provided.
Transcribed Image Text:45 +4(z+5). He wants to know if one expression is Martin is considering the expressions (7a + 48) and (a) greater than the other for all values of a. Part A Which statement about the relationship between the expressions is true? The value of the expression 5 (7z + 48) is always equal to the value of the expression + (z + 5). The value of the expression - (7a + 48) is always less than the value of the expression ) +4 (z+ 5). - 3 1 5 (7x + 48) is always greater than the value of the expression The value of the expression (s-) - I – 3) +4 (x + 5). The value of the expression 2(7 + 48)is sometimes greater than and sometimes less than the value of the expression - + 4 (x + 5). (b) Part B Show or explain how you found your answer to Part A. Enter your work or your explanation in the box provided. (c) Part C Write a new expression that always has a greater value than both of these expressions. Enter your expressions in the box provided.
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