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Lera25 [3.4K]
3 years ago
6

Help help help help❤️Plz I’m stressing out

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0

Answer:

Statement 1: True

Statement 2: True

Statement 3: False

Statement 4: False

Step-by-step explanation:

First of all, Statement 1 is that the domain is [0, 10]. Domain is how far the graph goes from left to right. So from 0, it goes to 10.

Second, the range is determined by how far the graph goes from down to up. This is determined by each points on the line, (3, 7, 9, 12)

Third, Statement 3 is false because it ends at (10, 12)

Fourth, a function cannot be curved, If the vertical line you drew intersects the graph more than once for any value of x then the graph is not a function. From point (0, 3) to (4, 7) is curved and not straight.

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A tuxedo rental shop rents tuxedos with sleeve lengths from 20 inches to 40 inches. The shop says the length of the sleeves shou
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Let the person's arm length be = x

Condition is : sleeve lengths available from 20 inches to 40 inches and the length of the sleeves should be about 1.2 times a person's arm length.

So, the inequality equation becomes:

20\leq1.2x\leq40

This gives x=\frac{20}{1.2}=16.66 or 16\frac{2}{3}

or x=\frac{40}{1.2}=33.33 or 33\frac{1}{3}

Hence, the shop does not provide tuxedos to people with arm length less than 16.66 inches and greater than 33.33 inches.

3 0
4 years ago
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Answer:

By definition, the derivative of f(x) is

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Let's use the definition for f(x)=\frac{1}{x}

lim_{h\rightarrow 0} \frac{\frac{1}{x+h}-\frac{1}{x}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{x-(x+h)}{x(x+h)}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{(-1)h}{x^2+xh}}{h}=\\lim_{h\rightarrow 0} \frac{(-1)h}{h(x^2+xh)}=\\lim_{h\rightarrow 0} \frac{-1}{x^2+xh)}=\frac{-1}{x^2+x*0}=\frac{-1}{x^2}

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4 years ago
The black figure is an ellipse, and the black line segment is its major axis. What is the length of the blue line segment?
andrezito [222]

The answer is: A. 20.3

The explanation is shown below:

1. By definition, the sum of the length of the strings (The length of the blue segment and the length of the red segment) is equal to the length of the major axis (The black segment).

2. Based on this, you can write the following expression, where x is the length of the blue segment:

x+10.7=31

3. Now, you must solve for x, as following:

x=31-10.7

x=20.3

4. Therefore, the answer is the option A.


6 0
4 years ago
Can someone help me please
bija089 [108]

answer:

oops, I accidentally messed this one up, so sorry

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2 years ago
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The answer would be B because he is gonna babysit for 4 hours and will charge $40 plus $4. So for the 4 hours he will earn $16 plus 40.
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