8) Determine the equation of an exponential function of the form y = a. b* that contains the points (4,-486) and (5, -1458).

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Question
**Problem 8**

Determine the equation of an exponential function of the form \( y = a \cdot b^x \) that contains the points \( (4, -486) \) and \( (5, -1458) \).

*Explanation:*

To find the equation, use the two given points. Substitute each point into the equation \( y = a \cdot b^x \) to create a system of equations:

1. \( -486 = a \cdot b^4 \)
2. \( -1458 = a \cdot b^5 \)

Solve this system for \( a \) and \( b \) to determine the exponential function.
Transcribed Image Text:**Problem 8** Determine the equation of an exponential function of the form \( y = a \cdot b^x \) that contains the points \( (4, -486) \) and \( (5, -1458) \). *Explanation:* To find the equation, use the two given points. Substitute each point into the equation \( y = a \cdot b^x \) to create a system of equations: 1. \( -486 = a \cdot b^4 \) 2. \( -1458 = a \cdot b^5 \) Solve this system for \( a \) and \( b \) to determine the exponential function.
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