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Alenkinab [10]
3 years ago
11

Must a function that is decreasing over a given interval always be negative over that same interval? Explain.

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0
<span><u><em>The correct answer is: </em></u>
no.

<u><em>Explanation</em></u><span><u><em>: </em></u>
For a function to be decreasing over an interval, <u>the value of the function, f(x), must decrease as x increases</u>. This does not, however, mean that the values of the function are negative. The function could have a positive range while still decreasing (becoming smaller positive numbers as x increase).</span></span>
satela [25.4K]3 years ago
7 0

Answer:

The function may not be negative if the function is decreasing over a given interval.

Step-by-step explanation:

Let the function be f(x)

If the function f(x) is decreasing then it implies that the value of the function f(x) is decreasing with the increase in value of x over the given interval.

A function f(x) is said to be decreasing if the derivative of the function f'(x) is negative. This does not implies that the function is negative.

Hence, The function may not be negative if the function is decreasing over a given interval.

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What is the proportional relationship represented by this table?
77julia77 [94]

Answer:

the constant of proportionality is 0.2 and it is a proportional relationship

Step-by-step explanation:

2 divided by 10 is 0.2

1 divided by 5 is 0.2

they have the same answer so they are proportional

since they have the answer 0.2 it

is there constant of proportionality

4 0
3 years ago
How do I convert standard form to point slope
Fittoniya [83]

The point-slope form:

y-y_1=m(x-x_1)

(x_1,\ y_1) - given point

m - given slope

The standard form:

Ax+By=C


y-y_1=m(x-x_1)    <em>use distributive property</em>

y-y_1=mx-mx_1      <em>add y_1 to both sides</em>

y=mx-mx_1+y_1      <em>subtract mx from both sides</em>

-mx+y=-mx_1+y_1       <em>change the signs</em>

mx-y=mx_1-y_1

8 0
3 years ago
Solve by elimination
inna [77]
2x - 2y = -4
-3x -3y = 0
_____________________
-1x - 5y = -4

4 0
3 years ago
Read 2 more answers
The value of x =<br> 60°<br> 5<br> x<br> 30°
nikklg [1K]

Answer:

10

Step-by-step explanation:

with reference angle 30°

perpendicular (p) = 5

hypotenuse (h) = x

Now

sin 30° = p / h

1 / 2 = 5 / x

x = 10

Hope it will help :)

6 0
3 years ago
Point
klemol [59]

Answer:

6.5 bottles

Step-by-step explanation:

convert liters to ml 1 bottle= 1000ml

divide how much she drank by 1000ml

6500÷1000=6.5

4 0
3 years ago
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