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galben [10]
3 years ago
6

Answer this please!​

Mathematics
1 answer:
Troyanec [42]3 years ago
8 0

f(x) = 4x + 3

That's one-to-one, a linear function that will give a different f(x) for each different x.

For the inverse let's swap x and y and solve for y

x = 4y + 3

x - 3 = 4y

y = (x- 3)/4

That's the inverse,

Answer:  (x- 3)/4, second choice

The domain and range of the inverse is all real numbers.  It's two lines; I'll leave the graphing to you.

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SCORPION-xisa [38]

Answer:

5 pizzas

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Step-by-step explanation: just divide 60 by 12 and then you get 5

6 0
2 years ago
What is the value of -2(x + 5)?
Nataly_w [17]

Answer:

5)

1

 

Expand by distributing terms.

-2x-2\times 5−2x−2×5

2

 

Simplify  2\times 52×5  to  1010.

-2x-10−2x−10

3 0
3 years ago
Please help me now plz <br> I will mark you brainliest
EastWind [94]

Answer:

  1229 km

Step-by-step explanation:

The missing angle is ...

  180° -60° -75° = 45°

Knowing that, the Law of Sines can be used to find the side opposite the 75° angle.

  ?/sin(75°) = 900 km/sin(45°)

  ? = (900 km)sin(75°)/sin(45°) ≈ 1229.423 km

The UFO is about 1229 km from KA-12.

5 0
3 years ago
Given two functions f(x)=2x+4 and g(x)=−1/5x−3 , what is the function rule for (f+g)(x) ?
Angelina_Jolie [31]

The definition is pretty simple:

(f+g)(x) = f(x)+g(x)

So, we only have to sum the expressions:

f(x)+g(x) = 2x+4 - \dfrac{1}{5}x-3 = \dfrac{9}{5}x+1

5 0
3 years ago
Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form?
disa [49]
Just see my atachment.

6 0
3 years ago
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