Find the range of values of x for which y is decreasing. a) y = x
Question:
Find the range of values of x for which y is decreasing.
a) y = x² − x + 2
b) y = 9 − 2x − x²
c) y = 3x² + 6x + 5
d) y = x³ − 5x² + 3x − 4
e) y = 2x³ − 54x − 1
f) y = x³ − 6x² − 15x + 7
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Related Book For
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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