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Warm Up 9.17

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- Evaluate the following.
1. h(x) = 18 – 2|2x + 4|, h()

2. g(x) = -, g(11)

Simplify

3. 4.

- Evaluate the following.
1. h(x) = 18 – 2|2x + 4|, h()

2. g(x) = -, g(11)

- Simplify
3. 4.

- 1. The sum of the interior angles of a triangle is 180º, of a quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a octagon (8 sides).
- 2. A culture of bacteria triples every 2 hours. If there are 250 bacteria at the beginning, how many bacteria will there be after 12 hours?

1080

60,750

- The sum of the interior angles of a triangle is 180º, of a quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a octagon (8 sides).

Equation: an = a1 + d(n-1)

a1= 180, d = 180, n = 6

Arithmetic

Geometric

900

7

5

720

6

4

180

3

1

1080

8

6

360

4

2

540

5

3

This is geometric sequence with a common ratio of 3

The number of hours, however, is arithmetic with common difference of 2.

Which term number is 12?

- A culture of bacteria triples every 2 hours. If there are 250 bacteria at the beginning, how many bacteria will there be after 12 hours?

Arithmetic

= 2hrs

= 12

Plug it in!

12

n = 6

Geometric

= 250

= 3

n = ?

Plug it in!

= 60750

Use at least TEN vocab words in EACH description

Word Bank

Domain Range

Intercepts Increasing

Decreasing Maximum

Minimum Even Odd

Positive Negative

Linear Neither

Exponential

Relative Maximum

Relative Minimum

Describe the following graphs using the word bank provided.

1.

2.

Describe the characteristics of this graph. DRAW the graph, use COMPLETE sentences. Hold on to the warm up.