Solving Exponential Equations and Graphing

Sovle for x:
5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

Solve 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Solve: 7^-x = 49

• x = 1
• x = -1
• x = 2
• x = -2

Solve each equation. Select the closest answer.

• 4.5

• 1.5

• 1.8

• 5

Tags

CCSS.HSF.LE.A.4

• 9

• No solution

• 0.895

• 0.389

Solve for b:
4^{3b - 3} = 1/16

• 7
• -1/4
• 1/2
• 1/3

• No solution

• 0.453

• 0.269

• -0.269

• 1.072

• 8.333

• 25

• No solution

What is the correct transformed equation for the graph?

• y = log(x - 4)

• y = log(x) - 4

• y = log(x + 4)

• y = log(x) + 4

Tags

CCSS.HSF-IF.C.7E

What is the range of the function graphed?

• (-∞, ∞)

• (-∞, 2] and [2, ∞)

• [2, ∞)

• (-∞, 2]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5