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storchak [24]
3 years ago
10

Letters A and B represent a question graph shown below

Mathematics
1 answer:
ehidna [41]3 years ago
3 0

Hi Andres,

----------------------------------------

Coordinates:

(6,12) and (3,21)

----------------------------------------

Slope:

Formula: \frac{y2 - y1}{x2 - x1}

Solution: \frac{21 - 12}{3 - 6} = \frac{9}{-3} = -3

Slope: -3

----------------------------------------

Compute the y intercept:

Use: y = mx + b

y = (-3)x + b

12 = (-3) x 6 + b

----------------------------------------

Isolate b:

(-3) x 6 + b = 12

-3 x 6 + b = 12

-18 + b = 12

b = 30

----------------------------------------

Slope Intercept Form:

Follow y = mx + b

m = slope

b = y intercept

Answer: y = -3x + 30

----------------------------------------

Point Intercept Form:

Formula: y - y1 = m(x - x1)

m = slope

y1 and x1 = first coordinate set.

m = -3

y1 = 12

x1 = 6

Answer: y - 12 = -3(x - 6)

----------------------------------------

Part B:

Approximately for every day he spends delivering he spends a 2.1 minutes on it per day. Well, the reason I say this is because on the chart it says he spends 10 days. When you multiply 10 and 2.1 you get 21!

----------------------------------------

Hope This Helps :)

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Given that g(x)=x-3/x+4 find each of the following.
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Given that the function g(x)=x-3/x+4, the evaluation gives:

  1. g(9) = 6/13.
  2. g(3) = 0.
  3. g(-4) = undefined.
  4. g(-18.75) = 1.07.
  5. g(x+h) = x+h-3/x+h+4

<h3>How to evaluate the function?</h3>

In this exercise, you're required to determine the value of the function g at different intervals. Thus, we would substitute the given value into the function and then evaluate as follows:

When g = 9, we have:

g(x)=x-3/x+4

g(9) = 9-3/9+4

g(9) = 6/13.

When g = 3, we have:

g(x)=x-3/x+4

g(3) = 3-3/3+4

g(3) = 0/13.

g(3) = 0.

When g = -4, we have:

g(x)=x-3/x+4

g(-4) = -4-3/-4+4

g(-4) = -1/0.

g(-4) = undefined.

When g = -18.75, we have:

g(x)=x-3/x+4

g(-18.75) = -18.75-3/-18.75+4

g(-18.75) = -15.75/-14.75.

g(-18.75) = 1.07.

When g = x+h, we have:

g(x)=x-3/x+4

g(x+h) = x+h-3/x+h+4

Read more on function here: brainly.com/question/17610972

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