Answer:
Option D) 254.3 cm2
Step-by-step explanation:
we know that
The area of a circle is equal to
we have
substitute
Erin made a line plot of the amount of time she practiced shooting free throws each day in the past 10 days. : time spent practi
cing (hours): 1/4-0, 1/2- 1, 3/4-2, 1-3, 1 1/4-2, 1 1/2-1, 1 3/4-0, 2-1, 2 1/4-0: what is the difference between the greatest and least times Erin practiced shooting free throws?: 1 hour, 1 1/2 hours, 1 1/4 hours, 2 hours?
1 answer:
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Answer:
See below
Step-by-step explanation:
<u>Part A</u>
A vertical stretch takes place when given that
<u>Part B</u>
A vertical compression takes place when given that
<u>Part C</u>
A vertical stretch is different than a horizontal compression:
- In a vertical stretch, the input stays the same, but the output is multiplied by the scale factor
- In a horizontal compression, the output stays the same, but the input is multiplied by the scale factor
<u>Part D</u>
A reflection across the x-axis means that the output, our y-variable, is the opposite sign. This means that all values of must be negative such that
as mentioned in parts A and B. Also, in part C, since our scale factor is negative, the output is the only one being multiplied by the scale factor.