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Savatey [412]
3 years ago
14

PLEASE HELP ILL GIVE BRAINLIEST. Which graph displays a rate of change of 2.5?

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Step-by-step explanation:

i can't see the graph but I have done it before it is middle one

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If 3/4(x) is 12, then what is x?
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Answer:

16

Step-by-step explanation:

The equation is 3/4x=12, so you would just divide 12 by 3/4 to get 16 as x

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Jake is constructing a triangle. He drew a side length that is 8 inches long and another side length that is 13 inches long. Whi
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A. 5

Step-by-step explanation:

because 13 is the hypotenuse and 8 is the sine

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Explain how the figure illustrates that 6(9) = 6(5) + 6(4)
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Because 6 times 9 is 54, To make it longer they just multiplied then added.  They multiplied 6 times 5 which is 30 then multiplied 6 times 4 then added the two which equal 54.
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54:63 in simplest form
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The spending limit on John's credit card is given by the function f(t) = 15,000 + 1.57, where x is his monthly income. 1-13) $60
coldgirl [10]
1.
"The spending limit on John’s credit card is given by the function f(x)=15,000+1.5x"

means that if the monthly income of John is $ 5,000 ,he can spend at most

f(5,000)=15,000+1.5*5,000=15,000+ 7,500=22, 500 (dollars)

Or for example

if Johns monthly income is $8,000, then he can spend at most

f(8,000)=15,000+1.5*8,000=15,000+ 12,000=27,000 (dollars)


2.
Now, assume that the maximum amount that John can spend is y.

Then, y=15,000+1.5x

we can express x, the monthly income, in terms of y by isolating x:

y=15,000+1.5x

1.5x = y-15,000
X=y-15,000/1.5

thus, in functional notation, x, the monthly income, is a function , say g, of variable y, the max amount:
X=g(y) y-15000/1.5
since we generally use the letter x for the variable of a function, we write g again as:

G (x) x-15000/1.5
tells us that if the maximum amount that John can spend is 50,000 $, then his monthly income is 23,333 $.

3.

If John's limit is $60,000, his monthly income is
G(600,000)=60,000-15,000/ 1.5=45,000/1.5 =30,000

dollars.


Answer: $ 30,000

Remark: g is called the inverse function of f, since it undoes what f does.

instead of g(x), we could use the notation
5 0
3 years ago
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