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3 years ago

I really needdddddd the answers for b it’s due tomorrow super important

Mathematics

1 answer:

devlian [24]3 years ago

6 0

first equation is line B the second one C the third one is A

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If f(x) = 3x - 1 and g(x) = x + 2, find (f + g)(x).

Alexxx [7]

Answer:

4x + 1

Step-by-step explanation:

Multiply f + g by x because f + g is in parenthesis:

f(x) + g(x)

Then implement equation #1 for f(x) into our equation:

3x - 1 + g(x)

Then implement the other equation for g(x) into our equation:

3x - 1 + x + 2

Then switch the positions of -1 and +x:

3x + x - 1 + 2

Simmplify:

4x + 1

Pls consider giving my answer the Brainliest! Because it would help and mean a lot! ; )

4 0

4 years ago

A given line has the equation 10x+2y=-2.

Iteru [2.4K]

The equation of a line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

If two lines are parallel then their slopes are equal.

We have the following line:

$10x + 2y = -2\\2y = -10x-2\\y = -5x-1$

Thus, the slope of the line is -5.

Therefore a parallel line is of the form:

$y = -5x + b$

We replace the point $(0,12)$

$12 = -5 (0) + b\\12 = b$

Finally, the equation is of the form:

$y = -5x + 12$

Answer:

$5x + y = 12$

8 0

3 years ago

Using the properties of exponents and logarithms, find the value of x in 19 + 2 ln x = 25.

REY [17]

$19+2\ln x=25\ \ \ |-19\\\\2\ln x=6\ \ \ |:2\\\\\ln x=3\iff x=e^3$

$\text{Used de.finition of the logarithm:}\ \ \ \log_ab=c\iff a^c=b$

8 0

3 years ago

Read 2 more answers

What is the solution of this equation? 3a = 18

Triss [41]

3a =18

3a/3 = 18/3

a = 18/3

a = 6

Hope this helps

6 0

4 years ago

Read 2 more answers

PLEASE HELP QUICK!! If the local tax is 3% and you get paid $678 biweekly, what is the local tax deduction?

Anastasy [175]

tax reduction: $20.34

amount you're paid minus tax: $657.66

4 0

3 years ago