Log/Exp CH 6 BI

Write in log form:
4^x = 7

• Log₄7 = x
• Log_x7 = 4
• Log₄7 = x
• Ln4x = 7

Write in Exponential Form:
Log13x = 9

• 13^x = 9
• 10⁹ = 13x
• x⁹ = 13
• 10^13x = 9

What is the Domain of:
 y = Log₂(x - 1) + 3

• All Reals
• y > 3
• y < -1
• x > 1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

What is the Range of:
y = 3^x+4 - 6

• y > -6
• y > 6
• x > -4
• All Reals

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Log_b8 = x  and Log_b2 = y
What is Log_b16?

• xy
• x + y
• x - y
• Cannot be done

Log_b8 = x  and Log_b2 = y
What is Log_b4 ?

• xy
• ^x/_y
• x - y
• x - 2y

Expand:
Log3x²

• Log3 ⋅ 2Logx
• Log3 + xLog2
• Log3 + 2Logx
• L  o   g   3   x    ²

Expand

• Ln 4 + 5LnW - 3LnQ

• Ln4 + 5W - 3Q

• 5Ln4W - 3LnQ

• Ln e⁴ + Ln e^5w - Ln e^3Q

• Log17⋅Log5
• Log 85
• Log₁₇5
• Log₅17

Solve:
4^x = 8^2x-1

• x = ³/₄
• x = 2,5
• x = ⁴/₃
• x = 1