3 years ago

Consider the equations y=√x and y=x²-1.

Mathematics

1 answer:

Fittoniya [83]3 years ago

4 0

The answer is A.

Hope it helps!

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The function f(x)=-(x-3)^2 +9 can be used to represent the area of a rectangle with the perimeter of 12 units, as a function of

Ivenika [448]

Maximum area of the rectangle is $9cm^{2}$

Explanation:

Considering the dimensions to be in cm

$f(x) = -(x-3)^{2} +9\\f(x) = -(x^{2} +9 - 6x)+9\\f(x) = -x^{2} +6x\\f'(x) = -2x+6\\-2x+6 = 0\\2x=6\\x=3cm\\\\$

Putting the value of x = 3

$Perimeter = 2(x+b)\\12 = 2(3+b)\\6 = 3+b\\b= 3cm$

$Area of rectangle = x X b\\ = 3 X 3\\ = 9cm^{2}$

Therefore, maximum area of the rectangle is $9cm^{2}$

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3 years ago

Please help me answer all parts correctly:) thanks

Artemon [7]

Answer:

132 posts

Step-by-step explanation:

12x+12

12(10)+12

12×10= 120

120+12= 132

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4 years ago

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ra1l [238]

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24/25

Step-by-step explanation:

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A figure with 6 edges. How many edges does this figure have? It has edges.

Anestetic [448]

Hexagon has six edges. The figure you're trying to figure out is hexagon I guess.

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Ne4ueva [31]

Answer:

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