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andre [41]
3 years ago
5

Find the Slope (if Possible) of the line passing through the Points. (1, -5) and (5,7).​

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0
Y2-y1/x2-x1
=7+5/5-1
=12/4
=3
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Composition of functions Find g (f(x)) for the following problems
beks73 [17]

1.

f(x)=-3x\qquad g(x)=5x-6\\\\g(f(x))=5(-3x)-6=\boxed{-15x-6}

2.

f(x)=x-6\qquad g(x)=x^2+6x-2\\\\g(f(x))=(x-6)^2+6(x-6)-2=x^2-12x+36+6x-36-2=\\\\=\boxed{x^2-6x-2}

3.

f(x)=4x+3\qquad g(x)=2x^2-x+1\\\\g(f(x))=2(4x+3)^2-(4x+3)+1=2(16x^2+24x+9)-4x-3+1=\\\\=32x^2+48x+18-4x-3+1=\boxed{32x^2+44x+16}

4.

f(x)=2x^2\qquad g(x)=8x^2+3x\\\\g(f(x))=8(2x^2)^2+3(2x^2)=8\cdot4x^4+6x^2=\boxed{32x^4+6x^2}

7 0
3 years ago
Which function is undefined for x = 0? y=3√x-2 y=√x-2 y=3√x+2 y=√x=2
Andre45 [30]

For this case, we must indicate which of the given functions is not defined forx = 0

By definition, we know that:

f (x) = \sqrt {x} has a domain from 0 to infinity.

Adding or removing numbers to the variable within the root implies a translation of the function vertically or horizontally. For it to be defined, the term within the root must be positive.

Thus, we observe that:

y = \sqrt {x-2} is not defined, the term inside the root is negative when x = 0.

While y = \sqrt {x + 2} if it is defined for x = 0.

f(x)=\sqrt[3]{x}, your domain is given by all real numbers.

Adding or removing numbers to the variable within the root implies a translation of the function vertically or horizontally. In the same way, its domain will be given by the real numbers, independently of the sign of the term inside the root.

So, we have:

y = \sqrt [3] {x-2} with x = 0: y = \sqrt [3] {- 2} is defined.

y = \sqrt [3] {x + 2}with x = 0: y = \sqrt [3] {2}in the same way is defined.

Answer:

y = \sqrt {x-2}

Option b


6 0
3 years ago
Can someone help me 5-13 please?
Alona [7]

Answer:

5-13 = -8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Can you please help?
Alborosie
Can’t help DDDD: bcoz link is a scam
7 0
3 years ago
Half the difference of a number and 18 is equivalent to -25. find the number
KonstantinChe [14]

Answer:

Hi there!

Your answer is:

the number is 68

Step-by-step explanation:

(18-n) /2 = -25

×2

(18-n) = -50

-18

-n = -68

/-1

n= 68

Plug it back in!

(18-68) /2 = -25 ???

-50/2 = -25 ✓✓✓

Hope this helps

3 0
3 years ago
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