3. Under what condition is the tangent to f(x) at (a, f(a)) horizontal? c. f'(a) = 0 a. f'(a) > 0 b. f'(a) <0 d. f'(a) is undefined

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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3. Under what condition is the tangent to f(x) at (a, f(a)) horizontal?
a. f'(a) > 0
c. f'(a) = 0
b.
f'(a) <0
d. f'(a) is undefined
Transcribed Image Text:3. Under what condition is the tangent to f(x) at (a, f(a)) horizontal? a. f'(a) > 0 c. f'(a) = 0 b. f'(a) <0 d. f'(a) is undefined
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