How to solve all of the practice problems

Anonymous
timer Asked: Dec 10th, 2017
account_balance_wallet $25

Question description

I have a final on Wed & this class online but this a print of the practice I don’t know how to do it I’ve been doing the textbook practices but i’m a visual learner so I need someone to solve these and show me the work please I don’t have time to go back to tutoring on campu

How to solve all of the practice problems
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Tutor Answer

James M847
School: UC Berkeley

HiPlease check the attached file for details, let me know if you have any questions, thank you. James,

1.
40)0.996(x=4000
0.996x= 100
Taking log on both sides
xlog0.996 = 2
x = 2/log0.996
=1148.99
2.
1500+e0.04x = 4500
e0.04x =4500-1500 = 3000
Taking ln on both sides
0.04x = ln3000
x= 25ln3000
x=200.16
3.
106x-1 = 674
Take log on both sides
6x-1 = log674 = 2.82866
x = 3.82866/6
=0.6381
4. f(x) = 2x+3, g(x) = x-3/2
f(g(x)) = 2g(x)+3 = 2*(x-3/2) +3 = 2x-3 +3 = 2xx, thus f and g are not inverse functions.

5.

3x  4
]  ln( 3x  4)  ln( x  4) 2  ln( x  6) 3
2
3
( x  4) ( x  6)
 ln( 3x  4) ...

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Review

Anonymous
Outstanding Job!!!!

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