Solving Exponential and Logarithmic Equations

Solve

log₅(4x - 7) = log₅(x + 5)

• x = 4

• x = -4

• x = 3

• x = -2

2^x+6 = 2⁵

• x = -1

• x = 11

• x = 1

• x = -11

• x = 2

• x = 29

• x = 7

• x = 32

Tags

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

8^a+9 = 76

round to the nearest tenth

• -6.0

• -6.8

• -7.0

• -6.9

Solve the exponential equation:

• -11/4

• 6

• 9/4

• 8

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve for x:

2^{3x + 1} = 32

• 0

• -1

• 5/3

• 4/3

Solve for x:

4^2x + 1 = 17

• x = 1

• x = -1

• x = 2

• x = -2

Solve

• 5

• 13

• 84

• -20

Tags

CCSS.HSF.BF.B.5

Solve for x:

-3e^x + 2 = -12

• 1.20

• 3.14

• 1.54

• No solution

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x) = 400(1 + 3)^x

• f(x) = 400(1 - 0.03)^x

• f(x) = 400(1 + 0.03)^x

• f(x) = 400(0.03)^x