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Vlad [161]
3 years ago
6

Given f(x) = 9-3x and g(x) = - 6x + 3, find (f + g)(x).

Mathematics
1 answer:
disa [49]3 years ago
6 0

Answer:4

Step-by-step explanation:

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HELP PLS GIVING BRAINLIEST
Setler79 [48]

For this case we have by definition, that the equation of a line in the slope-intersection form is given by:

y = mx+b

Where:

m: It's the slope

b: It is the cutoff point with the y axis

We need two points through which the line passes to find the slope:

(0,1)\\(1, -2)

We found the slope:

m = \frac {y2-y1} {x2-x1}\\m = \frac {-2-1} {1-0} = \frac {-3} {1} = - 3

So, the equation is of the form:

y = -3x + b

We substitute a point to find "b":

1 = -3 (0) + b\\1 = b

Finally, the equation is:

y = -3x+1

Answer:

Option C

8 0
3 years ago
If f(x) = 3^x + 10x and g(x) = 2x - 4, find (f + g)(x)
Karo-lina-s [1.5K]

Answer:

3^x + 10x+2x-4

Step-by-step explanation:

f(x) = 3^x + 10x and g(x) = 2x - 4

(f + g)(x)= 3^x + 10x+2x-4

3 0
3 years ago
Read 2 more answers
An investor has an account with stock from two different companies. Last year, her
lara [203]

Answer:

4.5%

Step-by-step explanation:

800(1-0.01)=\color{green}{792}

800(1−0.01)=792

6180(1-0.05)=\color{blue}{5871}

6180(1−0.05)=5871

Last Year This Year

Stock A 800 792

Stock B 6180 5871

Total 6980 6663

\text{Find overall decrease:}

Find overall decrease:

6980(1-r)=6663

6980(1−r)=6663

\frac{6980(1-r)}{6980}=\frac{6663}{6980}

6980

6980(1−r)

​

=

6980

6663

​

1-r=0.954585

1−r=0.954585

-r=-0.045415

−r=−0.045415

Subtract 1

r=0.045415

r=0.045415

Divide by -1

\text{Final Answer: }4.5\%

Final Answer: 4.5%

Multiply by 100 and round to nearest 10th

6 0
3 years ago
Can you answer this step by step? 31,398 ÷ 65 =
Doss [256]

Answer:

483 with a remainder of 3

Step-by-step explanation:

                      4       8       3

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

6 5    | 3 1 3 9 8

                       2 6 0

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

                              5 3 9  

                               5 2 0

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

                                        1 9 8

                                        1 9 5

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

                                                       3

Hope I explain myself :/

5 0
3 years ago
For the geometric series given by 5 + 10 + 20+ . . . , which of the following statements is FALSE?
slava [35]

Answer:

All statements are true

Step-by-step explanation:

1. The statement S_{500}>S_{499} is true, because S_{499} is the sum of first 499 terms,  S_{500} is the sum of first 500 terms,  and all these terms are positive, then the sum of smaller number of terms is less than the sum of larger number of terms.

2. The statement S_{500}>a_{500} is true, because S_{500} is the sum of first 500 terms,  a_{500} is 500th term and the sum of 500 terms is greater than the 500th term.

3. The statement S_1=a_1 is true, because S_1 is the sum of first 1 term that is exactly  a_1.

All statements are true.

5 0
4 years ago
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