|The graph of ах + b f(x) = (т — 1)(» — 4) has a horizontal tangent line at (2, –1). Find a and b.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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|The graph of
ax + b
f(x) =
(x – 1)(x – 4)
has a horizontal tangent line at (2, –1). Find a and b.
Transcribed Image Text:|The graph of ax + b f(x) = (x – 1)(x – 4) has a horizontal tangent line at (2, –1). Find a and b.
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