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natka813 [3]
3 years ago
12

Explain the relationship between the slope and the derivative of f(x) at xequals=a

Mathematics
1 answer:
Makovka662 [10]3 years ago
5 0
I am not sure but i think the slope is a line on a graph like posative negetive zero and undifined.
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A water truck is filling a swimming pool. The equation that represents this
Luda [366]

Answer:

  a. false

  b. true

  c. true

  d. true

  e. false

Step-by-step explanation:

a. False. The "unit rate" is 19.75 gallons per minute. The "unit" of a "unit rate" is in the denominator. Here, the denominator of the rate is 1 minute.

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b. True. A graph of a proportional relationship is a straight line through the origin.

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c. True. In 5 minutes, the water in the pool will increase by 98.75 gallons, about 100 gallons.

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d. True. The ratio of a y-value to an x-value will always be 19.75. That is the meaning of this proportional relationship.

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e. False. The points (8, 158) or (7.5949, 150) will be on the graph. The point (8, 150) will not.

8 0
3 years ago
Which table represents a direct variation? Table A x 4 6 8 10 y 7 9 11 13 Table B x 4 6 8 10 y 12 18 24 30 Table C x 4 6 8 10 y
Greeley [361]

Answer:

We conclude that 'Table B' represents a direct variation.

Step-by-step explanation:

We know that when y varies directly with x, the equation is

y ∝ x

y = kx

k = y/x

where 'k' is called the constant of proportionality.

Table A

x     4 6 8 10

y     7 9 11 13

Finding k for all the pairs of x and y

k = y/x

k = 7/4, k = 9/6 = 3/2, k = 11 / 8, k = 13/11

As constant of proportionality 'k' does not remain constant.

Hence, table A does not represent a direct variation

Table B

x     4   6   8   10

y     12 18 24 30

Finding k all the pairs of x and y

k = y/x

k = 12/4 = 3, k = 18/6 = 3, k = 24/8 = 3, k = 30/10 = 3

As the constant of proportionality remains constant.

Therefore, the value of k = 3 for all the points in the table.

Hence, table B represents a direct variation.

Table C

x     4   6   8   10

y     1    3    5    7

Finding k all the pairs of x and y

k = y/x

k = 1/4, k = 3/6 = 1/2, k = 5/8, k = 7/10

As the constant of proportionality 'k' does not remain constant.

Hence, table C does not represent a direct variation.

Table D

x     4   6   8   10

y     3   3   3    3

Finding k all the pairs of x and y

k = y/x

k = 3/4, k = 3/6, k = 3/8, k = 3/10

As the constant of proportionality 'k' does not remain constant.

Hence, table D does not a direct variation.

Therefore, we conclude that 'Table B' represents a direct variation.

8 0
3 years ago
Read 2 more answers
A graph is drawn to show the linear relationship described in the table below.What is the slope of the graphed line?
NikAS [45]
I need a picture I will answer the question if there is a picture
8 0
3 years ago
What would this be after you simplify?<br><br> x^0 y^5<br> -----------<br> y^5 z^-7
Kay [80]

Answer:

y^5 z^7

______

  y^5

3 0
3 years ago
For the equation Y= 2(x+4)-3 what ordered pair what are used to start a graphing PLEASEEEE HELP
Anton [14]

Answer:

(4,-3)

Step-by-step explanation:

6 0
3 years ago
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