Pre-Calculus Practice Problem 109

Pre-Calculus Practice Problem 109 - thousandth. 1. 1400 =...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Unit 3, Activity 7, Solving Exponential Equations with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 107 Comprehensive Curriculum, Revised 2008 Part A Solve for x and give the exact answer. 1. 2 9 3 1 + = x x x = -4/3 2. 16 x = 8 x - 1 x = -3 3. 2 x - 2 = 3 x = 2 2 ln 3 ln + or 2 ln 12 ln which is 585 . 3 4. 2 x - 1 = 3 x + 1 3 2 ln 6 ln which is 419 . 4 Part B Solve for x . Use your calculator to obtain the answer. Write the answer to the nearest
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: thousandth. 1. 1400 = 350e-.2 x-6.93 2 . 14.53(1.09) 2x = 2013 15.24 3 . 2500 = 5100(.79) x 3.02 4 . 45 8 2 = x ( ) 169 . 8 log 64 45 log = 5 . 200 = 40(1.12) 3t t = 12 . 1 ln 3 5 ln 734 . 4 Part C. Use a graphing utility to solve the equation e x = 5-2 x The two graphs intersect at x 1.06....
View Full Document

This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.

Ask a homework question - tutors are online