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Warm Up 9.17. Evaluate the following. 1. h(x) = 18 – 2|2x + 4|, h( ) 2. g(x) = - , g(11) Simplify 3. 4. Warm Up 9.17. Evaluate the following. 1. h(x) = 18 – 2|2x + 4|, h( ) 2. g(x) = - , g(11). Warm Up 9.17. Simplify 3. 4. Warm Up 9.18.

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warm up 9 17
Warm Up 9.17
  • Evaluate the following.

1. h(x) = 18 – 2|2x + 4|, h()

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

Simplify

3. 4.

warm up 9 171
Warm Up 9.17
  • Evaluate the following.

1. h(x) = 18 – 2|2x + 4|, h()

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

warm up 9 172
Warm Up 9.17
  • Simplify

3. 4.

warm up 9 18
Warm Up 9.18
  • 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

answers
Answers
  • 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

slide6
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

warm up sept 19 th
Use at least TEN vocab words in EACH descriptionWarm Up, Sept 19th

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.

warm up sept 20 th
Warm Up Sept 20th

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

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