42. f(x)=-3x² +5x a) Is the point (-1, 2) on the graph of ƒ ? b) Find ƒ (2). c) For what values of x does f(x)=-2?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question

42

42. f(x)=-3x² + 5x
a) Is the point (-1, 2) on the graph of ƒ ?
b) Find f (2).
c) For what values of x does f (x)=-2?
d) What is the domain of f ?
e) List the x-intercepts of the graph of f .
f) List the y-intercepts of the graph of f .
g) Is the function odd, even, or neither?
Transcribed Image Text:42. f(x)=-3x² + 5x a) Is the point (-1, 2) on the graph of ƒ ? b) Find f (2). c) For what values of x does f (x)=-2? d) What is the domain of f ? e) List the x-intercepts of the graph of f . f) List the y-intercepts of the graph of f . g) Is the function odd, even, or neither?
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