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3 years ago

Draw a graph of y= 2 - 1/2x

2 answers:

8 0

To draw a graph of y=2-1/2x the point on the graph starts a 2 then the next point goes down because of the -1/2x so it would subtracting 0.5 from each previous point

amm18123 years ago

8 0

This answer is correct to support

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2 and 3 please and show the work too answer quick cuz it’s due tomorrow pls

Svetradugi [14.3K]

722 bricks and 8 workers.

8 0

3 years ago

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

ddd [48]

Answer:

$f'(x) = 4x^2 - 3$ for $x \le -3$

Step-by-step explanation:

See attachment for proper question

Given

$f(x) = -\frac{1}{2}\sqrt{x + 3}$

For

$x \ge -3$

Required

Determine the inverse function

$f(x) = -\frac{1}{2}\sqrt{x + 3}$

Replace f(x) with y

$y = -\frac{1}{2}\sqrt{x + 3}$

Swap the positions of x and y

$x = -\frac{1}{2}\sqrt{y + 3}$

Multiply both sides by -2

$-2 * x =-2 * -\frac{1}{2}\sqrt{y + 3}$

$-2x =\sqrt{y + 3}$

Square both sides

$(-2x)^2 =(\sqrt{y + 3})^2$

$4x^2 =y + 3$

Make y the subject

$y = 4x^2 - 3$

The inverse has been solved. So, we need to replace y with f'(x)

$f'(x) = 4x^2 - 3$

Next, is to determine the interval

$x \ge -3$

Change inequality to $\le$

$x \le -3$

Hence, the inverse function is:

$f'(x) = 4x^2 - 3$ for $x \le -3$

7 0

3 years ago

Arrange the following interest rates in ascending order: 2.4%, 2.029%, 2 1/8%, 2.499%, 2 1/2% *

KengaRu [80]

Answer: 2.029%, 2 1/8%, 2.4%, 2.499%, 2 1/2%.

Step-by-step explanation:

Answer the following interest rates in order from lowest to highest.

2.029%, 2 1/8%, 2.4%, 2.499%, 2 1/2%.

Below are what the rates are equal to.

2.029, 2.125, 2.400, 2.499, 2.500

4 0

2 years ago

Mathew is watching a car race on TV. His favorite car covered 10 laps of 3.6 miles each in 18 minutes. What is average speed of

Karo-lina-s [1.5K]

In the given question, all the necessary information's are already provided. Using these information's it is easy to find the average speed of the car in miles per hour. It is given that the car covers 10 laps in 18 minutes and each lap is 3.6 miles in length.
Total distance covered by the car = (10 * 3.6) miles
   = 36 miles
Now we have to convert the time from minutes to hours. So
18 minutes = 18/60 hours
   = 3/10 hours
Now we can easily calculate the average speed of the favorite car of Mathew.
Average Speed = 36 * (10/3) miles/hour
   = 120 miles/ hour

8 0

2 years ago

Explain how you can use the distributive property to solve 9x6

lbvjy [14]

Answer:

(4+5)+(3+3) because you have eto break up the numbers

7 0

3 years ago