Exponential Equations and Logarithms

Solve the equation for x.

• x = 2
• x = 3
• x = 8
• x = 64

Solve: 7^-x = 49

• x = 1
• x = -1
• x = 2
• x = -2

Solve 3³ = 3^{4x + 2}

• x = ¼
• x = -¼
• x = ½
• x = -½

Solve 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Solve.

• 3.5

• 3

• 4

• 4.5

Sovle for x:

5^{-3x - 1} = 25

• x = 1

• x = -4

• x = -3

• x = -1

Which of the following is an exponential function?

• y = x²

• f(x) = 3x³

• y = x³

• f(x) = 3^x

What is the starting amount in the problem below?

f(t) = 300(1.05)^t

• 300

• 1.05

• t

• y

• Growth

• Deacy