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Let f(x) = -0.4x² + 7x-12. Find the x-coordinate of the vertex. Round your answer to 2 decimal places. Your Answer: Answer

Let f(x) = -0.4x² + 7x-12. Find the x-coordinate of the vertex. Round your answer to 2 decimal places. Your Answer: Answer

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.3: Evaluate And Graph Logarithmic Functions
Problem 209E: In the following exercises, use a logarithmic model to solve. 209. What is the decibel level of a...
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Let f(x) = -0.4x² + 7x-12. Find the x-coordinate of the vertex. Round your answer to 2 decimal places. Your Answer: Answer
Transcribed Image Text:Let f(x) = -0.4x² + 7x-12. Find the x-coordinate of the vertex. Round your answer to 2 decimal places. Your Answer: Answer
Solve the equation: 3(-4 + 8x) = 1/27. Round your answer to 2 decimal place. Be careful - if you use logarithms, be sure to go out several decimal places throughout your calculations for accuracy. Your Answer: Answer
Transcribed Image Text:Solve the equation: 3(-4 + 8x) = 1/27. Round your answer to 2 decimal place. Be careful - if you use logarithms, be sure to go out several decimal places throughout your calculations for accuracy. Your Answer: Answer
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