Log and Exponential

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

• 5

• -2

• -5

• 2

log₉(x)+log₉(x+2)=log₉(35)

• 5

• -7

• 5, -7

• -7, -13

Solve:

log (x - 1) - log (x - 2) = log 5

• 7

• 4/9

• 9/4

• 1/7

2log₆(x-8)=2

• 14

• 81/8

• 18

• 9969

• about 7 years

• about 10 years

• about 18 years

• about 22 years

Tags

CCSS.HSF.LE.A.4

• 18th year

• 21st year

• 30th year

• 10th year

To solve, 16^5x = 64^x+7, what would be the correct set-up?

• 4^4(5x)=4^16(x+7)

• 8^2(5x)=8^8(x+7)

• 4^2(5x)=4^3(x+7)

• 2^4(5x)=2^6(x+7)

Solve.

9(e^x) - 31 =23

• x = 1.79

• x = 4.21

• x = -3.5

• x = 1.27

2(16^x+6) - 8 = 35

• -4.67

• -4.89

• -2.93

• -2.95

log₂(x + 3)=5

• x=2

• x=29

• x=7

• x=32

Tags

CCSS.HSF.BF.B.5