Exponential and Logarithmic

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

Solve:
_{log (4x − 5) = log (2x − 1)} 

• 0

• 1

• 2

• 3

Solve log₂ (2 - 2x) + log₂ (1 - x) = 5

• 4

• 5

• -2

• -3

Solve log₅ (x + 3) = log₅ x + log₅ 3

• 3/2

• 9/2

• 2/3

• No Solution

Solve 2.8^x = 41

• 0.277

• 3.607

• -0.282

• 3.684

Solve log₂ (x² - 1) = 3 + log₂ (x - 1)

• 4

• 2

• 1

• 7

Solve log₉ (x - 4) + log₉ (x + 1) = log₉ (x + 5) + log₉ (x - 6)

• 17/2

• -9/16

• 13

• -8

Solve 4^{2x - 1} = 5^{x + 2}

• 2.167

• 3.959

• 2.008

• 0.253

Solve 8 ^. 3^x = 5

• 0.506

• 2.337

• -0.516

• -0.428

Solve e^2x = -x + 2 using a graphing utility

• 0.273

• 1.727

• 0.448

• 2.448