7. Given the function y = (x − 1)²(x + 1), which finite differences will be equal (or constant)? a. first differences C. third differences b. second differences d. fourth differences 8. The function y = (x² − 1)(x² + 2) has how many y-intercepts? a. 0 C. 2 b. 1 d. 3

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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7. Given the function y = (x − 1)²(x + 1), which finite differences will be equal (or constant)?
a.
first differences
C.
third differences
b.
second differences
d.
fourth differences
8. The function y = (x² − 1)(x² + 2) has how many y-intercepts?
a.
0
C.
2
b.
1
d.
3
Transcribed Image Text:7. Given the function y = (x − 1)²(x + 1), which finite differences will be equal (or constant)? a. first differences C. third differences b. second differences d. fourth differences 8. The function y = (x² − 1)(x² + 2) has how many y-intercepts? a. 0 C. 2 b. 1 d. 3
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