Solving Log & Exp

Solve log(x) + log(x+3) = 1

• 5
• -2
• -5
• 2

log₂(x + 2) + log₂x  = 3

• -4, 2
• -2, 4
• 2
• 1

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

Solve

• A
• B
• C
• D

• 5
• 13
• 84
• -20

• no solution
• only 6
• 6 and -2
• 3

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

log (7x + 2) − log 3 = 1

• x = 11/7

• x = -5/21

• x = 0

• x = 4

• -11, -17

• -6, -17

• -6

• -11

Solve: 2^x = 4^x+1

• x = -2
• x = 2
• x = -3
• x = 3