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kodGreya [7K]
3 years ago
9

Help !!!!!! urgent !!!​

Mathematics
1 answer:
Over [174]3 years ago
4 0
Let u = 4x^2, then y=e^u
dy/dx= dy/du x du/dx
dy/dx= 8xe^4x^2
Then do product rule to find d2y/dx2
d2y/dx2 = 64 x^2 e^4x^2 + 8e^4x^2
Substitute d2y/dx2 and dy/dx into the equation then will get equal to zero
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Look at the graph shown below:
ElenaW [278]
So.. take a peek at the picture... let's get two points from it, hmm say 0,4 notice it touches the y-axis there, and say hmmm -4, 1, almost at the bottom of the line

\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 0}}\quad ,&{{ 4}})\quad 
%   (c,d)
&({{ -4}}\quad ,&{{ 1}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{1-4}{-4-0}

\bf y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad 
\begin{array}{llll}
\textit{plug in the values for }
\begin{cases}
y_1=4\\
x_1=0\\
m=\boxed{?}
\end{cases}\\
\textit{and solve for "y"}
\end{array}\\
\left. \qquad   \right. \uparrow\\
\textit{point-slope form}

once you get the slope and solve for "y", that'd be the equation of the line.
7 0
3 years ago
What are the slope and the y intercept of the graph of the liner function shown on the grid
kow [346]
To find the slope use the Rise over Run rule
It rises 2 units and runs 1 unit, so your slope is
2 or 2/1

To find the y-intercept just find where the line crosses the y-axis
it crosses at the -4 mark

Your slope is 2 and y-intercept is -4
6 0
3 years ago
Read 2 more answers
A basketball players hits 4 out of every 8 attempts at the basket. What is the ratio of baskets to number of attempts in its low
Juliette [100K]

Answer:

1:2

Step-by-step explanation:

Put the numbers as a ratio

4:8    Simplify this ratio by dividing both sides by 4

1:2     This is the ratio of baskets to number of attempts in its lowest terms

3 0
4 years ago
Read 2 more answers
Five coats cost for pound how much to 7 cakes cost
Elanso [62]
1 pound and 2/7 hoped this helped 
5 0
3 years ago
What is the value of x in this question
lara31 [8.8K]
The left triangle is a 30-60-90 triangle so line ST = 2 which means line RT is 4 (double the length of ST). 

The right triangle is a 45-45-90 triangle which means RT and RQ are congruent. 

So if RT = RQ and RT = 4, then x = 4
7 0
4 years ago
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