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masya89 [10]
3 years ago
14

Identify the graph of ƒ(x) = x2 + 6x – 7 from the choices below.

Mathematics
1 answer:
torisob [31]3 years ago
5 0

f(x) = x^2 + 6x - 7

y = x^2 + 6x - 7

y = (x - 1)(x + 7)

x + 7 = 0

x = -7

x - 1 = 0

x = 1

The x-intercepts are -7 and 1.

Since the leading coefficient is a positive, the graph will point upwards.

So, the graph of the function is D.

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Daniel runs 40/5 miles in 124/₁ minutes. What is the unit rate in terms of miles per minute? What the answer:
sasho [114]

Using the given information, the unit rate is 0.0645 miles/minute

<h3>Calculating rate </h3>

From the question, we are to determine the unit rate

From the given information,

Daniel runs 40/5 miles in 124 minutes

That is,

Distance = 40/5 miles = 8 miles  

Time = 124 minutes

Using the formula,

Rate = Distance / Time

Rate = 8 miles / 124 minutes

Rate = 0.0645 miles/minute

Hence, the unit rate is 0.0645 miles/minute

Learn more on Calculating rate here: brainly.com/question/1090517

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3 0
2 years ago
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Why is the slope the same on a line when different points are used to identify the slope?
emmainna [20.7K]
Different points are used to identify the line, this can mean that both points lie on the same line.
Therefore the slope is the same because the line passes through both those points.
7 0
2 years ago
A triangle has side lengths of
alexandr402 [8]

Answer:

P = ( 4y + 6 inches) + ( 8y - B ) inches + ( 5y + 3 ) inches

Step-by-step explanation:

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P = A + B + C

6 0
3 years ago
What is the complete factorization of 36y2 − 1?
stiv31 [10]

Answer:

(6y+1)(6y-1)

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4 0
3 years ago
7. Find DE.<br> 11-25<br> E<br> А<br> 4x + 1<br> D<br> С
Arlecino [84]

Answer:

  • DE = 37

Step-by-step explanation:

AD = DC and BE=EC ⇒

DE = 1/2AB

  • 4x + 1 = 1/2(11x - 25)
  • 2(4x + 1) = 11x - 25
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DE = 4*9 + 1 = 36 + 1 = 37

3 0
2 years ago
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