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Vera_Pavlovna [14]
2 years ago
12

Question 13 of 40

Mathematics
1 answer:
eduard2 years ago
3 0

Answer:

b i think

Step-by-step explanation:

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Find the domain of the function (f/g)(x) given f (x)=x^2-4x-5 and g(x)=x^2-25
stealth61 [152]

Answer:

all real numbers except ±5.

Step-by-step explanation:

Each function (f(x), g(x)) has a domain that is all real numbers. Their quotient (f(x)/g(x)) must exclude values that make g(x) = 0. The quotient is undefined when the denominator is zero. Those excluded values are x = ±5.

The domain of (f/g)(x) is all real numbers except ±5.

___

Of course you recognize x^2 -25 = 0 has solutions x = ±√25 = ±5. You can get there two ways:

  1. add 25 and take the square root: x^2=25; x=±√25.
  2. factor the difference of squares and set the factors to zero: (x-5)(x+5)=0 has solutions x-5=0 and x+5=0, that is, x = ±5.
5 0
2 years ago
Every one reading this please help! I don't understand this and I will give brainliest to the person that helps first with a goo
stira [4]
Since the area of the poster doesn't change by putting it in a frame, we presume the question is asking what the area of the framed poster is.

The length of the poster in its frame is ...
  (frame width on one side) + (poster length) + (frame width on the other side)
  2 in + 32 in + 2 in = 36 in

Likewise, the width of the poster in its frame is ...
  2 in + 24 in + 2 in = 28 in

The area of a rectangle 36 in by 28 in is the product of these dimensions:
  Area = (36 in)×(28 in) = (36×28) in² = 1008 in²
6 0
3 years ago
Read 2 more answers
Find the measure of arc AC whose inscribed angle is 62 degrees.
Marina CMI [18]
Check the picture below, that's the "inscribed angle theorem"

3 0
2 years ago
Michelle has just been informed that her cell phone plan will be increasing in price. Her new pricing plan has a flat fee of $30
CaHeK987 [17]
30+0.10x
340/0.10=34
34+30=64
64 dollars, I think
3 0
2 years ago
I am so lost help me
lilavasa [31]
1 Liter = 1000 mL

so....

1.5 Liter = 1500 mL
3 0
3 years ago
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