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Amanda [17]
3 years ago
8

Show that f(x) = 9x - 2 is a one-to-one function.number​

Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

upon graphing, it is linear

Step-by-step explanation:

you could set up an x-y table or you could graph it

if you graph it you'll see it's linear with a y-intercept of -2 and a slope of 9

all linear equations are functions except for vertical lines

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2−6(−5t+1)
VashaNatasha [74]

Answer: I don't think any of those choices are correct.

Step-by-step explanation:

2-6*-5t+6

6*-5t+4

<h3>-30t+4</h3>
6 0
3 years ago
Read 2 more answers
Simplify -2.3f+0.9f-14-4
Setler [38]

Answer:

The Answer would be 1.4f-18

Step-by-step explanation:

-2.3f+0.9f-14-4

then you do

-1.4f-14-4

Then u would get 1.4f-18.

7 0
3 years ago
Read 2 more answers
Braceleftzf y = 8/7 x − 2/3 <br> 8/3 x + y = 5/9
givi [52]

Answer:

  (x, y) = (77/240, -3/10)

Step-by-step explanation:

It is convenient to write the equations in standard form.

Multiplying the first equation by 21 gives ...

  21y = 24x -14

Multiplying the second equation by 8 gives ...

  24x +9y = 5

Then the system of equations in standard form is ...

  • 24x -21y = 14
  • 24x +9y = 5

Subtracting the first from the second, we get ...

  (24x +9y) -(24x -21y) = (5) -(14)

  30y = -9

  y = -9/30 = -3/10

Substituting this into the second equation, we have ...

  24x +9(-3/10) = 5

  24x = 7.7 . . . . . . . add 27/10

  x = 7.7/24 = 77/240

The solution is (x, y) = (77/240, -3/10).

7 0
3 years ago
Plz help asap and explain plz and thx!! 7 and 6
swat32
Answer is 43 degrees for #6, and selection C for #7
4 0
3 years ago
How do you write negative seven minus the product of 5 and number is 28
goldenfox [79]
-7 - (5.x) = 28? Is that what you were looking for?
3 0
3 years ago
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