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Nataliya [291]
3 years ago
8

Help plz ill give extra points :)))

Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0

Answer:

d

Step-by-step explanation:

jeyben [28]3 years ago
6 0

Answer:

I think it's b hope this helps!

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1) Find an equation of the tangent line at each given point on the curve.x = t2 − 4, y = t2 − 2tat (0, 0)at (−3, −1)at (−3, 3)2)
Anastasy [175]

Answer:

1) at ( 0,0) : y = x/2.   at(-3-1) : y = -1.   at(-3,3) : y = 2x +9

2) DNE ( does not exist )

Step-by-step explanation:

The general equation of tangent line

y - y1 = m( x - x1 )

attached below is the detailed solution on how i derived the answers above

8 0
4 years ago
Write an equation in point slope form for the line through the point (2,-7) with slope m = -1/3
Margarita [4]

Answer:

y = -1/3x-7

Step-by-step explanation:

y = mx + b

m is the slope so -1/3.  B is the y-intercept so -7

7 0
2 years ago
Solve with solution...no spam answers pls
Agata [3.3K]
<span>Let's analyze Hannah's work, step-by-step, to see if she made any mistakes. 

</span>In Step 1, Hannah wrote \dfrac{d}{dx} (-3+8x) <span> as the sum of two separate derivatives </span>\dfrac{d}{dx}(-3)+ \dfrac{d}{dx} (8x) <span>using the </span><span>sum rule.
</span>
This step is perfectly fine. 

In Step 2, \dfrac{d}{dx}(8x) was kept as it is, and \dfrac{d}{dx}(-3) was rewritten as 0 using the constant rule.Indeed, according to the constant rule, the derivative of a constant number is equal to zero.

This step is perfectly fine. 

In Step 3, \dfrac{d}{dx} (8x)  was rewritten as \dfrac{d}{dx}(8) \dfrac{d}{dx}(x) supposedly using the constant multiple rule.

The problem is that according to the constant multiple rule, \dfrac{d}{dx}(8x)&#10; should be rewritten as 8 \dfrac{d}{dx}(x) and not as \dfrac{d}{dx}(8)\dfrac{d}{dx}(x).  

<span>Therefore, Hannah made a mistake in this step.</span>
6 0
4 years ago
Read 2 more answers
Which coordinate grid shows Point A at (0.75, −1.50)? Coordinate grid shown from negative 2 to positive 2 on the axis and negati
Monica [59]

Answer:

The correct option is;

Coordinate grid shown from negative 2 to positive 2 on the x-axis and negative 2 to positive 2 on the y-axis in increments of 1 over 4. Only the whole numbers are labeled. A point A is shown at the intersection of 3 grid lines to the left of the y-axis and 6 grid lines above the x-axis

Step-by-step explanation:

The coordinate of the point in the question = (0.75, -1.50)

The options given are

x = -2 to 2 on the y-axis and y = -2 to 2  on the y-axis in increments of 1/4 Only the whole numbers are labelled.

Point A = 6 grid lines to the left of the y-axis and 3 grid lines above the x-axis corresponding to the point (6×(-1/4), 3×1/4) = (-1.5, 0.75)

From the above, it is seen that the point A that will correspond with the point (0.75, 1.50) will have a spacing of 3 grid lines to the left of the y-axis and 6 grid lines above the y-axis

Therefore, the correct option is Coordinate grid shown from negative 2 to positive 2 on the x-axis and negative 2 to positive 2 on the y-axis in increments of 1 over 4. Only the whole numbers are labeled. A point A is shown at the intersection of 3 grid lines to the left of the y-axis and 6 grid lines above the x-axis.

4 0
3 years ago
96. A rectangular courtyard is to be fenced so that one of the sides is 4 feet longer than an adjacent side (s). Which of the fo
hram777 [196]

The short side measures s.

The adjacent, longer side measures s + 4.

The area of a rectangle is the product of the lengths of two adjacent sides.

area = s(s + 4)

Distribute the s.

area = s * s + s * 4

area = s^2 + 4s

8 0
3 years ago
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