Precalc. 2. Simplify 3. Simplify 4. Simplify.

DEAL OR NO DEAL REVIEW 5.1-5.4Precalc

1.Simplify

2.Simplify

6 𝑥− 2+9 𝑥2

3 x−2

3.Simplify

2 x−3 (x5−2 x3 )❑

4.Simplify

(𝟐 𝒙−𝟑 )−𝟒

5.Solve

𝟗𝒙−𝟏=𝟑√𝟐𝟕

6.Simplify

3√𝟐𝟕𝒙−𝟔𝒚𝟐

7.Simplify

(𝒙𝒏 )𝟑

𝒙𝒏 ∙ 𝒙𝒏

8.Simplify

9.Determine whether the following is an example of a) Exponential Growth, b)

Exponential Decay, c) Neither, or d) Both:

𝒚=𝟓(𝟖𝟕 )𝒙

10.Determine whether the following is an example of a) Exponential Growth, b)

Exponential Decay, c) Neither, or d) Both:

𝒚=(𝟎 .𝟕𝟕 )𝒙

11.Determine whether the following is an example of a) Exponential Growth, b)

Exponential Decay, c) Neither, or d) Both:

𝒚=𝟓 𝒙𝟐

12.You just deposited $5,000 into an

account that pays 2% interest. What is the balance in the account after 3

years if interest is compounded: Continuously

13.

You just deposited $5,000 into an account that pays 2% interest.

What is the balance in the account after 3 years if interest is

compounded: Monthly

14.You just deposited $5,000 into an

account that pays 2% interest. What is the balance in the account after 3

years if interest is compounded: Daily

15.

16.

17.

18.Suppose a strain of bacteria grows at

a rate of 20% per day. How long will it take the bacteria to double?

19.A radioactive isotope decays at

a rate of 1.5% over 3 years. How long will it take for the isotope to reach its half-life?

20.