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Alik [6]
2 years ago
8

Find the domain and range with a vertex of (1,-2)

Mathematics
1 answer:
klemol [59]2 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

the domain ( values of x ) that a quadratic can have is all real numbers

domain : - ∞ < x < ∞

the range ( values of y ) are from the vertex upwards , that is

range : y ≥ - 2

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What is the completely factored form of x^3 – 64x?
givi [52]
x^3 - 64x \\ \\ gcf = x \\ \\ x( \frac{x^3}{x} +  \frac{-64x}{x} ) \\ \\ x(x^2 - 64) \\ \\ x(x^2 - 8^2) \\ \\ x(x + 8)(x - 8) \\ \\

The final result is: C) x(x - 8)(x + 8).
4 0
3 years ago
Janet can do a job in 3 hours, and Garry can do the same job in 2 hours. If Janet works for 1 hour before Garry comes to help, h
lidiya [134]

Answer:

48 minutes

Step-by-step explanation:

Given that:

Time taken by Janet = 3 hours

Janet's rate = 1/3 job / hour

Time taken by Garry = 2 hours

Garry's rate = 1/2

Rate of working together :

1/3 + 1/2 = (2 + 3) /6 = 5/6 job/hour

If Janet works for one hour before Garry joins ;

1/3 of the job has been done by Janet

1 - 1/3 = 2/3 of the job left

Hence to finish the job together, it will take :

Fraction of JOB left ÷ rate of working together

(2/3 ÷ 5/6)

= 2 /3 * 6/5

= 12 / 15

= 4 / 5 hours

To minutes

(4/5) * 60

= 240/5

= 48 minutes

8 0
3 years ago
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I’m wondering how this brainly
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Answer: i dont think so

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Step-by-step explanation:

6 0
3 years ago
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Please answer it correctly and I'll mark it​
kirza4 [7]

Answer:

Step-by-step explanation:

1) a very poor question indeed. It has at least two possible solutions

c = 3x + 2                                     or     c = 3(x + 2)

when x = 2

c = 3(2) + 2 = 8                           or      c = 3(2 + 2) = 12                  

when x = 5

c = 3(5) + 2 = 17                          or       c = 3(5 + 2) = 21

2)

y = x + 2

when x = 2

y = 2 + 2 = 4

when x = 5

y = 5 + 2 = 7

8 0
2 years ago
Drag and drop the angle pairs to correctly match their description. supplementary angles complementary angles vertical angles ad
Andreas93 [3]

Answer:

Supplementary Angles: AOC and COD

Complementary Angles: COB and COD

Vertical Angles: AOE and COD

Adjacent Angles not supplementary or complementary: AOB and BOC

Step-by-step explanation:

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2 years ago
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