84. log, 243 = 5

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 18E
Question
#84
en by the human memory model
4 log10(t + 1), where t is the time in
<ts 10. When will the average
to 71?
9-86, solve for x.
(c)
80. 3* = 729
82. 6*-2 = 1296
84. log, 243 = 5
86. In x = -3
96, solve the exponential equation
und your result to three decimal
(e)
88. e3x = 25
%3D
90. 14e3x+2 = 560
%3D
92. 6* - 28 = -8
68
94. 2(12*) = 190
%3D
2x
6g + 8 =0
10
Transcribed Image Text:en by the human memory model 4 log10(t + 1), where t is the time in <ts 10. When will the average to 71? 9-86, solve for x. (c) 80. 3* = 729 82. 6*-2 = 1296 84. log, 243 = 5 86. In x = -3 96, solve the exponential equation und your result to three decimal (e) 88. e3x = 25 %3D 90. 14e3x+2 = 560 %3D 92. 6* - 28 = -8 68 94. 2(12*) = 190 %3D 2x 6g + 8 =0 10
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