Pre-Calculus: 4.6 HW on Logarithmic and Exponential Equations
Name__________________________________
Solve for x.
1.
3x  27
2.
log 4 x  2
3.
43 x  14
4.
7 2 x1  12
5.
e4x  7
6. ln  x  3  ln  x  4   2
7. log 5 (7  x)  log 5 ( x)  log 5 (6)
8. log 3 ( x  8)  log 3 x  2
9.
3 log 7 x 
11. 8
2 x 4
3
1
log 7 64
2
x 1
13. log16 ( x)  log 4 (2 x)  5
15.
 1 x  ex
10. 6
3x
 21
12.
e x  9e  x
5
2
14.
2log5 x  3log5 4
16. log 2 ( x  1)  log 4 x  1