PL Precalculus - Chapter 3

Find

 $f\left(x\right)+g\left(x\right)$  

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

Calculate f(g(x)).

• 3x - 16

• 3x - 2

• 3x - 26

• 4x - 2

• 16

• 4

Evaluate.

log₃81

• 4

• ¹/₄

• -4

• 3

Write in logarithmic form.

5² = 25

• log₅2 = 25

• log₂25 = 5

• log₂₅5 = 2

• log₅25 = 2

Solve for x.

log_x 25 = 2

• 5

• -5

• 1/5

• -1/5

Evaluate log₄1

• 1

• 0

• 4

• undefined

Write the logarithm expression as a single logarithm

log₄60 - log₄4 + log₄x

• log₄15

• log₄15x

• log₄56x

• xlog₄30

Evaluate the following logarithm:

log₅5

• 1

• 0

• -1

• ¹/₂

• -¹/₂

• -1

• 1

• ¹/₂