Exponential Functions and Equations

Solve:

8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Sovle:

5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

What is the domain of the graph?

• (-∞,∞)
• (-2, ∞)
• (0,∞)
• (-∞,2)

What is the range of the graph?

• (-∞,∞)
• (2, ∞)
• (-3,∞)
• (0,-2)

Solve:

5(4^x-2)- 14 = 6

• -2

• 3

• 2

• -1.667

Solve:

3^x+10- 21 = 6

• 7

• -8

• -7

• 8

Solve by logarithm:

6^3x - 3 = 56

• 2.2757
• 1.3592
• 0.7586
• 0.5903

• 0

• -1

• 5/3

• 4/3

• 9

• -9

• -3

• 0

• 1/3

• -3

• 2

• 1