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Valentin [98]
3 years ago
12

Can someone help with this please?

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

a. Function 1

b. Function 2

c. Function 4

Step-by-step explanation:

✔️Function 1:

y-intercept = 4 (the point where the line cuts across the y-axis)

Slope, using the two points (0, 4) and (1, 6):

\frac{y_2 - y_1}{x_2 -x_1} = \frac{6 - 4}{1 - 0} = \frac{2}{1} = 2

Slope = 2

✔️Function 2:

y-intercept = 1 (the value of y when x = 0)

Slope, using the two points (0, 1) and (1, -3):

\frac{y_2 - y_1}{x_2 -x_1} = \frac{-3 - 1}{1 - 0} = \frac{-4}{1} = -4

Slope = -4

✔️Function 3: y = 5x - 5

y-intercept (b) = -5

Slope (m) = 5

✔️Function 4:

y-intercept = -2

Slope = -1

Thus, the following conclusions can be made:

a. The function with the greatest y-intercept is Function 1 which is 4.

4 is greater than 1, -5, and -2.

b. Only Function 2 has slope that is less than -2.

-4 is less than -2.

2, 5, -1 are all greater than -2.

c. The function's graph with the least steep is the function whose slope value is the smallest. That is the greater the absolute value of the slope, the steeper the slope, and vice versa.

Function 4 has the least steep.

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Which answer describes the sequence {1,3,7,15,…} as a mathematical statement?
Ksivusya [100]

Answer:

so just successive powers of 2

Step-by-step explanation:

1, 3, 7, 15, 31, 63, _? Add successive powers of 2 to the number: 1+2=3; 3+4=7; 7+8=15; 15+16=31; 31+32=63; 63+64=127.

7 0
3 years ago
The friendly sausage factory (fsf) can produce hot dogs at a rate of 5,000 per day. fsf supplies hot dogs to local restaurants a
juin [17]

Answer:

a. 21 327 hot dogs/run

b. 70 runs/yr

c. 4 da/run

Step-by-step explanation:

Data:

Production rate (p)           = 5000/da

Usage rate (u)                  =    260/da

Setup cost (S)                   = $66

Annual carrying cost (H) = $0.45/hot dog

Production days (d)         = 294 da

Calculations:

a. Optimal run size

(i) Annual demand (D) = pd = (5000 hot dogs/1 day) × (294 days/1 yr)

= 1 470 000 hot dogs/yr

(ii) Economic run size

Q_{0}= \sqrt{\frac{2DS }{ h}\times\frac{ p}{p-u }}

= \sqrt{\frac{2\times1470000\times66 }{ 0.45}\times\frac{ 5000}{5000-260 }}

= \sqrt{431200000\times\frac{ 5000}{4740 }}

= \sqrt{454852321}

= 21 327 hot dogs/run

b. Number of runs per year

Runs = D/Q₀ = (1 470 000 hot dogs/1yr) × (1 run/21 327 hotdogs)

= 70 runs/yr

c. Length of a run

Length = Q₀/p = (21 327 hot dogs/1 run) × (1 da/5000 hot dogs)

= 4 da/run

8 0
3 years ago
(26)(1230)=24x how do I solve this
ira [324]

Answer:

x=1332.5

Step-by-step explanation:

24x=(26)(1230)

24x=31980

divide both sides by 24

x=1332.5

7 0
3 years ago
Read 2 more answers
What do I supposed to do ?
pentagon [3]

the have identical length so to know the length of each pipe you should divide 22.4 by 7

22.4 / 7 = 3.2

6 0
3 years ago
How do i do this?? any answers pls
bazaltina [42]

Step-by-step explanation:

In the given problem, there are two plans that can be represented with a linear function.

<h2>Plan A: </h2>

A = total monthly cost of Plan A for every <em>x </em>number of movies that Sadie watches per month

Slope: $3 = The additional cost for every x number of movies watched per month

Y-intercept: $21 = The monthly cost of Plan A  

Combining these elements together, we can establish the following linear function: A(x) = 3x + 21

<h2>Plan B:          </h2>

B = total monthly cost of Plan B for every <em>x </em>number of movies that Sadie watches per month

Slope: $1.50 = The additional cost for every x number of movies watched per month

Y-intercept: $27 = The monthly cost of Plan B    

Combining these elements together, we can establish the following linear function: B(x) = 1.5x + 27  or  \displaystyle\mathsf{B(x)\:=\:\frac{3}{2}x\:+\:27}.

<h2>Graphing:</h2><h3><u>Plan A:</u></h3>

In order to graph Plan A, start with plotting the y-intercept, (0, 21). The <u>y-intercept</u> is the point on the graph where it crosses the y-axis. Then, use the slope, m = 3 (rise 3, run 1), to plot the other points on the graph.

<h3><u>Plan B:</u></h3>

Similarly for Plan B, start with plotting the y-intercept, (0, 27).

Then, use the   \displaystyle\mathsf{slope (m)\:=\:1.5\:or\:\frac{3}{2}}  (rise 3, run 2), to plot the other points on the graph.

Attached is the graphed linear functions, A(x) and B(x). The two lines intersect at point, (4, 33), which means that the total cost of Plans A and B will be the same at $33.

<h3><u>Interval of movies watched</u>: </h3>

The attached graph also shows that when 0 ≤ <em>x</em> < 4, Plan A is <em><u>cheaper</u></em> than Plan B.  The interval notation is: [0, 4).

This implies that when Sadie watches 0 - 4 movies per month, she will pay lesser in Plan A than Plan B.          

5 0
3 years ago
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