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slamgirl [31]
3 years ago
9

3. R: {(1, 2), (2, 2), (−1, −2), (−3, 4)}?

Mathematics
1 answer:
Natali [406]3 years ago
7 0
Yes it is a function Bc the x values don’t repeat
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Answer:

The area of the figure is 97 square inches

Step-by-step explanation:

In the given figure

<em>To find the area of the figure we can find </em><em>the area of the big rectangle with dimensions 7 inches and 19 inches</em><em> and subtract from it </em><em>the area of the small rectangle with dimensions 4 inches and 9 inches</em>

∵ The area o the rectangle = length × width

∵ The dimensions of the big rectangle are 7 inches and 19 inches

∴ The width = 7 inches

∴ The length = 19 inches

→ Substitute them in the rule of the area above

∵ The area of the big rectangle = 19 × 7

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∵ The dimensions of the small rectangle are 4 inches and 9 inches

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∵ The area of the small rectangle = 9 × 4

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