Logarithmic Functions
Exponential Equations
Logarithmic Equations
100

What is a logarithmic function?

A function that allows us to determine the value of a specified exponent

100

solve:

          3x + 4 =  81

x = 0

100

Solve 

  log(3x + 3) = 5

x = 33332.3333

200

What is our rule of logarithmic functions?

Bp = A <-----> LogBA = P

200

solve:

     4e2x+1 = 12

x ~ 0.0493

200

 Solve 

   log2(x - 3) = 5

x = 35

300

Simplify:    log5(1/125)

-3

300

Solve:


   e2x - 4 = 0

x ~ 0.6931

300

Solve:

  5 - log3(x - 2) = 1

x = 83

400

Is the following statement true? Log5525 = 4

No

400

Solve using natural logs:

3(4)x-2 = 3


x = 6

400

Solve 

     9 - 2log(2x + 1) = 25

x ~ 0.5

500

What is the value of Euler's Number?

2.71828182846....

500

solve for t:

25000 = 5000(1 + .03/4)4t

t = 54 years

500

solve:

     lnx = lnx

x = Infinitely Many Solutions