Exponential Functions

For questions 1 - 5, solve for x.

1.    10^x = 100,000

 x = 5
 x = 6
 x = 7

2.     2^x = 256

  x = 7
  x = 8
  x = 9

3.    36^0.5 = x

  x = 6
  x = 5
  x = 2

4.  121^x = 11

x = 11

x = 2
x =

5. =  

 x = 3
x = -3
 x = 2

6. Find the value of x if x = log ₄ 32.

 x =
x = 8
 x = undefined