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Archy [21]
3 years ago
15

I need help with these questions if you might not know and answer then somebody else can help thank u

Mathematics
1 answer:
Jlenok [28]3 years ago
4 0
Sorry, I dunno.... ;)
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For which intervals the graphs of the functions f(x) = x^3 + x^2 - 4x - 4 is positive
Nookie1986 [14]

Step-by-step explanation:

Consider a function

f

(

x

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which is twice differentiable. The graph of such a function will be concave upwards in the intervals where the second derivative is positive and the graph will be concave downwards in the intervals where the second derivative is negative. To find these intervals we need to find the inflection points i.e. the x-values where the second derivative is 0.

5 0
3 years ago
The distance between (-5, 3) and B(5, 3) is
8090 [49]
In here, we will use the distance formula
\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

Compute the distance between <span>(-5, 3) and (5, 3)
</span>=\sqrt{\left(5-\left(-5\right)\right)^2+\left(3-3\right)^2}
<span>
= 10 

The distance between </span>(-5, 3) and (5, 3) is 10 
8 0
3 years ago
Combine and write the answer in descending power order (DPO):<br> 3y - y^3 + 2 -3y^2
dexar [7]

Answer:

im sorry

Step-by-step explanation:

ezxerfguibfyrxzwzx

8 0
3 years ago
A membership to the local gym costs $40 and $2 per visit. Tell what type of function is it and also write the equation for it.
Elis [28]

Answer:

y=2x+40

linear function with the y-intercept at 40

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Tia used a photocopier to dilate the design for a monorail track system. The figure shows the design and its photocopy: Two irre
nlexa [21]

Answer:

28

Step-by-step explanation:

FG = BC * 2 = 14 * 2 = 28

6 0
3 years ago
Read 2 more answers
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