19. Find x from the following equations: 27x = 9y 81*3-* = 243 A. 2.5 B. 2 C. 1 D. 1.5

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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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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Please answer the following with corresponding solutions
19. Find x from the following equations:
27x = 9⁰
81*3-* = 243
A. 2.5
B. 2
C. 1
D. 1.5
an
20. Solve for a if (am)(a") = 100000 and = 10
am
A. 15.85
B. 10
C. 12
D. 12.56
Transcribed Image Text:19. Find x from the following equations: 27x = 9⁰ 81*3-* = 243 A. 2.5 B. 2 C. 1 D. 1.5 an 20. Solve for a if (am)(a") = 100000 and = 10 am A. 15.85 B. 10 C. 12 D. 12.56
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