Lesson 9 and 10 Practice

• .25

• 1

• .876

• .99

• 3.301

• 1.999

• 1.301

• 2.954

Tags

CCSS.HSF.LE.A.4

• 1.301

• 1.999

• 2.954

• 3.301

Tags

CCSS.HSF.LE.A.4

• 2.954

• 0.602

• -1

• 3.301

Tags

CCSS.HSF.LE.A.4

• -1

• 0.602

• 3.301

• 0.506

Tags

CCSS.HSF.LE.A.4

• Between 3 and 4

• Between 1 and 2

• Between 2 and 3

• Between 4 and 5

• 9

• 8

• 11

• 10

• 9

• 8

• 6

• 7

Tags

CCSS.HSF.LE.A.4

In order for an investment, which is increasing in value exponentially, to increase by a factor of 5 in 20 years, about what percent does it need to grow each year?

• 6.4%

• 8.4%

• 7.4%

• 5.4%

Answer explanation

Explanation:

To find the factor for EACH year, you must take the 20th root of 5. (refer to Unit 4 Lesson 4 Kami notes)

Tags

CCSS.HSF.LE.A.4

Here is the graph of the amount of a chemical remaining after it was first measured. The chemical decays exponentially. What is the approximate half-life of the chemical?

• 1 week

• 2 weeks

• 1.5 weeks

• 2.5 weeks