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Nostrana [21]
3 years ago
10

G(x)=sqrt x +2. find inverse

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0
The inverse function should be 1/2x - 2
Explanation:
The inverse of something is just it's opposite. The opposite of squaring is dividing in half, so we get 1/2x. Obviously the opposite of addition is subtraction so our answer is 1/2x - 2
I hope this helps!
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What is the area of a triangle with vertices (3,0) (9,0) (7,6)
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Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices (x_1,y_1),(x_2,y_2),(x_3,y_3) is given by the determinant of the following matrix:

A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|

In this question:

Vertices (3,0) (9,0) (7,6). So

A = \pm 0.5 \left|\begin{array}{ccc}3&0&1\\9&0&1\\7&7&1\end{array}\right|

A = \pm 0.5(3*0*1+0*1*7+1*9*7-0*7*1-0*9*1-3*1*7)

A = \pm 0.5*(63-21)

A = \pm 0.5*42 = 21

The area of the triangle is of 21 units of area.

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2 years ago
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Answer:

Probably equal to 6 or 7.

Step-by-step explanation:

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3 years ago
A water tanks can hold 234 cubic feet of water.How many gallons can the water tank hold
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Hence, the water tank can hold 1750.32 gallons of water.

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