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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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3 years ago
A sales person is paid a weekly salary of $760, plus a commission of 7.5% of all her sales for the week. Express her weekly inco
Elis [28]

Answer:

1. We can see that salesperson's weekly income is the sum of her constant weekly salary ($760) and a commission which is variable and depends on her weekly sales.

So, if we say that y is her weekly income and x is her weekly sales, we can write this as:

y = 760 + 0.075x

Note that we had to change percentage to decimal number dividing it by 100.

2  Since for each value of x there is only one corresponding value of y, we can say that this is a function. For any value of x we input there is only one solution we get - that is the main feature of function and a way to tell if something is really a function.

Since this is a function, it can also be written as:

f(x) = 760 + 0.075x

3. Domain of a function is, basically, set of all values of x for which the function can work. That practically means that, since x is weekly sale, it can not be negative (one cannot make -$500 sale, for example). However, it is possible that she doesn't make a sale one week, making it possible for x to be 0. Also, the value of her sales doesn't have to be integer (it is quite possible that she makes $673.50 sale).

All this means that appropriate domain for this function are positive real numbers including 0.

6 0
3 years ago
The sum of two numbers is ten. Using x to represent the smaller number, translate "the difference between twice the larger numbe
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The larger number is 10 - x.
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3 years ago
Any help would be greatly appreciated
aleksandr82 [10.1K]

Answer:

\boxed{\sf \ \ \ 49a^8b^6c^2 \ \ \ }

Step-by-step explanation:

Hello,

(-7a^4b^3c)^2=(-1)^27^2a^{4*2}b^{3*2}c^2=49a^8b^6c^2

as

(-1)^2=1

8 0
3 years ago
Brainliest to first right, along with 5 stars, and a thanks, lol:)
vlada-n [284]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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