11 Find all possible zeros. a) f(r) = xª – 21² – 20r b) f(r) = 3r4 – 2r3 – 25x² + 28x + 12 c) f(r)= -2rª + 19x³ – 52.2 + 29x + 30

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 2E
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11 Find all possible zeros.
a) f(x) = 24 – 2112 – 20r
b) f(z) = 3x4 – 2r3 – 251² + 28+ 12
c) f(r) = -2a4 + 1923 – 52.2 + 29r+ 30
Transcribed Image Text:11 Find all possible zeros. a) f(x) = 24 – 2112 – 20r b) f(z) = 3x4 – 2r3 – 251² + 28+ 12 c) f(r) = -2a4 + 1923 – 52.2 + 29r+ 30
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