Applying and analysing exponential and logarithmic functions

Solve $5^x=32$  

• 2.2023

• 2.153

• 2.241

• 2.392

Solve.  Don't type x=.  Round to the nearest hundredth as needed.

 $5e^{3x}=28$  

Which is the solution to 5^2x = 50

• ln(50)/2ln(5)

• 2log(50)/log(5)

• log/2

• 2log

The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. find the population in 2001

• 48700

• 46500

• 45000

• 48980

A population of bacteria doubles every 3 hours. If there are initially 100 bacteria, how many will there be after 9 hours?

• 200

• 800

• 400

• 1200

Solve: 7^x - 12 = 30

Round to the nearest tenth

Solve for x.  Round your answer to 4 decimals places

 $4^{x-3}=212\$  

• 6.8640

• 6.2588

• 3.8640

• 3.2588

• 0.8640

Solve, round your answer to FOUR (4) decimal places:

 $3^{2x+1}=15$  

• 0.7325

• 2.4650

• 1.4650

• 2.7325