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GREYUIT [131]
3 years ago
9

The inverse of the function y = 9 - x 2, for all values x ≥ 3, is _____, where x can take values _____.

Mathematics
1 answer:
pychu [463]3 years ago
4 0
Y = 9 - x^2
Steps to finding the inverse:
1. switch x & y
x = 9 - y^2
2. solve for y
x = 9 - y^2
subtract 9 from both sides
x - 9 = y^2
take the square root of both sides
+ - sqrt(x - 9) = y
x > = 9
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BC = 4x + 2 AB = 8x + 8 and AC = 22 Find BC
Scilla [17]

Answer:

BC = 6.8

Step-by-step explanation:

The distance from A to B, then from B to C, is the same distance as from A to C.

Thus,

AB + BC = AC

AB = 8x + 8

BC = 4x + 2

AC = 22

AB + BC = AC

(8x + 8) + (4x + 2) = 22

Expanding the parenthesis:

8x + 8 + 4x + 2 = 22

8x + 4x + 8 + 2 = 22

12x + 12 = 22

Subtracting 12 from both sides:

12x = 10

Dividing both sides by 12:

x = 10/12 = 1.2

x = 1.2

We're looking for BC. As we know,

BC = 4x + 2

Let's now put in x = 1.2 into this equation:

BC = 4x + 2

BC = 4 * 1.2 + 2

Since 4 * 1.2 is 4.8:

BC = 4.8 + 2

BC = 6.8

Answer: BC = 6.8

8 0
3 years ago
I need help quickly please have clear explanation and answer written in brainly
Andrei [34K]

Answer:

ii

Step-by-step explanation:

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4 0
3 years ago
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Which answer has the smallest value?
Mademuasel [1]

Answer:

The smallest value is 2) the opposite of 50 because it is farthest left of the zero (this makes it the smallest)

Step-by-step explanation:

1) = 100

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5) = -5

6 0
3 years ago
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What is the value of the missing angle??
Mice21 [21]

Answer:

39°

Step-by-step explanation:

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? = 90° - 51°

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Hope it helps you in your learning process.

4 0
3 years ago
Give the slope intercept form of the equation of the line that is perpendicular to 5x-3y=8
Stels [109]
Hello : 
let the slope : a    and ; b the slope of the line : 5x - 3y = 8
<span>the line that is perpendicular to 5x-3y=8  so : a×b = - 1 
but : 
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</span><span> the slope intercept form of the equation of the line that is perpendicular
 to 5x-3y=8 is : y = (5/3)x +c </span>
5 0
3 years ago
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