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3 years ago

What’s the inverse of f(x) = x + 2 ?

Mathematics

2 answers:

wel3 years ago

6 0

That answer would be X=-2

ArbitrLikvidat [17]3 years ago

4 0

Answer:

Step-by-step explanation:

f(x) = x + 2.....change f(x) to y

y = x + 2....now switch x and y and solve for y

x = y + 2

x - 2 = y....change y to f-1(x)...represents an inverse

f-1(x) = x - 2 <== ur inverse

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O'Connor breakfast foods produced 6,552 of crispy corn cereal. the company wants to put the cereal into boxs that hold 12 ounces

Olegator [25]

That would be 6552 / 12 = 546 boxes.

(Im assuming that its 6552 ounces of cereal )

5 0

3 years ago

Find the value of x. Then find the measure of each labeled angle.<br> (9x - 10)<br> (5x + 38)

omeli [17]

Answer:

x=12 and

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(5*12)+38=98

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Step-by-step explanation:

do this :

9x - 10 = 5x + 38

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4x - 10 = 38

(add 10 to both sides)

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2 years ago

Write the equation of circle b with center B(-2,3) that passes through (1,2)

professor190 [17]

Answer:

$(x+2)^2 + (y-3)^2 = 10$

Step-by-step explanation:

The standard equation for circle is

$(x-a)^2 + (y-b)^2 = r^2$

where point (a,b) is coordinate of center of circle and r is the radius.

______________________________________________________

Given

center of circle =((-2,3)

let r be the radius of circle

Plugging in this value of center in standard equation for circle given above we have

$(x-a)^2 + (y-b)^2 = r^2 \ substitute (a,b) \ with (-2,3) \\=>(x-(-2))^2 + (y-3)^2 = r^2 \\=>(x+2)^2 + (y-3)^2 = r^2 (1)$

Given that point (1,2 ) passes through circle. Hence this point will satisfy the above equation of circle.

Plugging in the point (1,2 ) in equation 1 we have

$\\=>(x+2)^2 + (y-3)^2 = r^2 \\=> (1+2)^2 + (2-3)^2 = r^2\\=> 3^2 + (-1)^2 = r^2\\=> 9 + 1 = r^2\\=> 10 = r^2\\=> r^2 = 10\\$

now we have value of r^2 = 10, substituting this in equation 1 we have

Thus complete equation of circle is $=>(x+2)^2 + (y-3)^2 = r^2\\=>(x+2)^2 + (y-3)^2 = 10$

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3 years ago

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Aleksandr-060686 [28]

Answer:

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Step-by-step explanation:

4 0

3 years ago

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Five thousand raffle tickets are sold for $5 each. 50 winnings numbers will be chosen, 40 of which will win $100 each and 10 of

Allisa [31]

Answer:

Step-by-step explanation:

Given

there are 50 winning number out of which 40 get $ 100 each and 10 wins $ 1000 .

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5 0

3 years ago