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3 years ago

5. Given no other restrictions, what are the domain and range of the following function?

Mathematics

2 answers:

kodGreya [7K]3 years ago

8 0

Answer:

The domain is x values

The range is y values

Domain:

(-infinity, infinity) (parabola so just gets wider)

Range:

[1, infinity) (the lowest point is 1 and the y values can always increase so infinity)

oksano4ka [1.4K]3 years ago

5 0

Answer:

Here

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Write a vector equation of the line that passes through point P(-4,11) and is parallel to a=[-3,8]. Then write parametric equati

Assoli18 [71]

Answer:

$\vec l = (-4, 11) + t\cdot (-3,8)$ , $x = -4 - 3\cdot t$ and $y = 11 + 8\cdot t$

Step-by-step explanation:

The vector equation of the line is:

$\vec l = \vec P + t \cdot \vec A$

$\vec l = (-4, 11) + t\cdot (-3,8)$

The parametric equations of the line are:

$x = -4 - 3\cdot t$ and $y = 11 + 8\cdot t$

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3 years ago

Allyson walked 10.8 km to the school. If 1 mile = 1.6 km, about how many miles did she walk?

seropon [69]

Answer:

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Step-by-step explanation:

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3 years ago

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Which is equivalent to 4(x - 1)? <br>x- 4 <br>4x-1 <br>4x - 3 <br>4x - 4

ser-zykov [4K]

Answer:

4x-4

Step-by-step explanation:

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2 years ago

In ΔPQR, the measure of ∠R=90°, the measure of ∠P=26°, and PQ = 8.5 feet. Find the length of QR to the nearest tenth of a foot.

Vitek1552 [10]

Answer:

3.7feet

Step-by-step explanations

Using the sin rule

A/sin a = B/sin b

Let A = PQ = 8.5feet

B = QR = x feet

a = R = 90°

b = P = 26°

Substitute the values into the Sin rule

8.5/sin90 = x/sin26

8.5×sin 26 = x × sin 90

8.5×0.4383 = x× 1

3.7255 = x

Hence the length of QR to the nearest tenth 3.7feet

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3 years ago

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