Graph 2: Please help me sketch this graph. Please label:
1. the maximum and minimum
2. the midline
3. the period and rate constant
4. what is the formula for the function

 see answers below

Step-by-step explanation:

y = A cos (Bx - C) + D

Given: A = 5/2, B = π/6, C = 0, D = 13/2

1) midline (D) ± amplitude (A) = Max & Min

  Max: 13/2 + 5/2 = 18/2 = 9

  Min: 13/2 - 5/2 = 8/2 = 4

2) Midline (D) is given as 13/2 = 6.5

3) Period = 2π/B  = 2π/(π/6) = 12

4) Formula is given as: y = 5/2 cos (π/6)x + 13/2

5) change the coordinates of y = cos (x) and  as follows:

Note that A = 5/2, B = π/6, C = 0, D = 13/2

go and ask your mom to you

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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