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Vinil7 [7]
3 years ago
9

Pls help simple stuff if you know it. I obviously don't

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

The answer to your question is    y = 2.^{x} + 5

Step-by-step explanation:

Because of the distribution of the points, we conclude that it is an exponential function so we discard the third option (it's a linear function) and the fourth option (it's a quadratic function)

- To solve this problem, evaluate functions 1 and 2 using the x-coordinates and compare the results with the graph

                       y = 2.^{x} + 5                              y = 4.^{x} + 8

1                       y = 2 + 5 = 7                           y = 12

3                      y = 8 + 7 = 15                         y = 21 + 8 = 29

5                      y = 32 + 7 = 39                      y = 1024 + 8 = 1032

7                      y = 128 + 7 = 135                    y = 16384 + 8 = 16392

9                      y = 512 + 7 = 512                    y = 262144 + 8 = 262152

11                      y = 2048 + 7 = 2055             y = 4194312 + 8 = 4194320

13                     y = 8192 + 7 = 8199                y = 67108864 + 8 = 67108872

15                     y = 32768 + 7 =  32775         y = 1073741832 + 8 = 1073741840

Comparing the result with the graph, we conclude that the answer is the first choice.

   

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Given the following table, find the rate of change between 1-4) and 10).
Gwar [14]

Answer:

  • 1/2

Step-by-step explanation:

<u>As per given table there are pairs:</u>

  • (-4, -2), (-2, -1), (0, 0), (2, 1), (4, 2)

<u>This is line passing through the origin and the equation is:</u>

  • f(x) = 1/2x

Rate of change is the slope 1/2, which is same over any interval

6 0
3 years ago
You are going to a 1940 mile trip, and your car get about 28 miles per gallon. Gas prices along your route average $2.95 per gal
Nataliya [291]

Answer: \$\ 204.4

Step-by-step explanation:

Given

The total length of the trip is l=1940\ \text{miles}

Car average is 28 miles per gallon

So, car requires

\Rightarrow \dfrac{1940}{28}=69.285\ \text{gallon}

Price of gas is $2.95 per gallons

\therefore \text{cost is =}69.285\times 2.95\\\Rightarrow \$\ 204.4

So, the cost of the trip is \$\ 204.4

8 0
2 years ago
Solve the system algebraically. 3x - 2y - 1 = 0 y = 5x + 4 What is the solution? {(-9/7,-17/7)} {(9/7,17/7)} {(9/7,-17/7)}
lutik1710 [3]
3x - 2y - 1 = 0
y = 5x + 4

3x - 2(5x + 4) - 1 = 0
3x - 10x - 8 - 1 = 0
-7x - 9 = 0
-7x = 9
x = -9/7

y = 5x + 4
y = 5(-9/7) + 4
y = -45/7 + 4
y = -45/7 + 28/7
y = - 17/7

solution is (-9/7, -17/7)
3 0
3 years ago
Read 2 more answers
Find the value of x. Round to the<br> nearest tenth.<br> 26<br> 12<br> х<br> X=<br> = [?]
levacccp [35]

Answer:

X = 5.9 (in degree mode)

Step-by-step explanation:

Do the following:

12(tan26) = X

Plugging this into a calculator, you will get:

X = 5.9 (in degree mode)

7 0
3 years ago
How can I solve this problem?
HACTEHA [7]

Answer:

25*pi or

78.5 square units.

Step-by-step explanation:

If there was no shaded area, the area of the circle would be pi * r^2

r = 10

Area = pi * 10^2

Area = 100 * pi

Since there is a shaded area, the shaded part looks to be 1/4 of the whole. There's no indication of what it actually is, but 1/4 should be close enough.

Area_shade = 1/4 (100*pi)

Area_shade = 25 * pi

That's one answer.

Another is 25 * 3.14 = 78.5 square units

7 0
3 years ago
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