The signs of the numbers in the problem matter because if a number is negative in the equation than you're answer could be negative. ex. -3/9= -3 but if the negative sign wasn't there than the answer would be wrong bc the answer would be positive.
hope thats what you need hope it helps.
Because of the vertical asymptote and the change in concavity, we conclude that the correct option is B.
<h3>
Which is the graph of cotangent of x?</h3>
Remember that cot(x) = 1/tan(x).
Then we can rewrite:
cot(x) = cos(x)/sin(x).
We know that for x = 0, we have:
cot(0) = cos(0)/sin(0) = 1/0
Then we have a vertical asymptote that tends to ± infinity.
The only graph that meets this condition is the second and the third one, and by the curvature (we need to have a change of concavity/convexity) in the tangent function.
From that, we conclude that the correct option is B.
If you want to learn more about trigonometric functions:
brainly.com/question/8120556
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Another word for median is middle. The median is the middle number of a list of numbers.
Answer:
Step-by-step explanation:
This triangle is a polygon. By definition, all the exterior angles of ANY polygon add up to equal 360 degrees. So we add up all the exterior angles and solve for x. That's the first step.
7x - 2 + 9x - 31 + 4x + 33 = 360
Combining like terms gives us
20x + 0 = 360 or simply
20x = 360 so
x = 18
In order to find the value of the angle exterior to angle C, we sub 18 in for x:
7(18) - 2 = 124
Answer:
t = 
-------------(1)
The value of t is, 
hour
Step-by-step explanation:
The 1st train travels at 
mph whereas the 2nd train travels at
mph. The trains are headed towards each other. They are s miles apart. In 1 hour their distance is reduced by 
mile
So, in t hour their distance is reduced by 
mile.
Now if the two trains meet after t hour of starting, then,
⇒ t = -------------(1)
If s = 250 unit, = 60 unit and, = 40 unit , then,
from (1), t = (250/(60 + 40)) hour = hour ----(2)
