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lianna [129]
3 years ago
8

Find f(-2) for the function f(x) = 3x2 – 2x + 7.

Mathematics
1 answer:
aliya0001 [1]3 years ago
5 0

Answer:

23

Step-by-step explanation:

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Step-by-step explanation:

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GuDViN [60]

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Read 2 more answers
Which expression represents the area of the shaded region?
irina1246 [14]

Given:

A circle of radius r inscribed in a square.

To find:

The expression for the area of the shaded region.

Solution:

Area of a circle is:

A_1=\pi r^2

Where, r is the radius of the circle.

Area of a square is:

Area=a^2

Where, a is the side of the square.

A circle of radius r inscribed in a square. So, diameter of the circle is equal to the side of the square.

a=2a

So, the area of the square is:

A_2=(2r)^2

A_2=4r^2

Now, the area of the shaded region is the difference between the area of the square and the area of the circle.

A=A_2-A_1

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3 years ago
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