it's 17/42... theres no whole number
<h3>
Answer: Choice A</h3><h3>
-8 < x < 8</h3>
==============================================
Explanation:
We're told that x is greater than -8, so x > -8 which is the same as -8 < x
At the same time, x is also less than 8, meaning x < 8
Combining -8 < x and x < 8 together forms the compound inequality
-8 < x < 8
Basically saying "x is some number between -8 and 8. X cannot equal -8 nor can it equal 8"
On a number line, we can visually show this by having two open circles at -8 and 8, then shading the region between the open circles. The open circles tell us "this value is not part of the solution set"
Option b is true to match the vector field f with the given plot f(x, y)=x, -y
<h3>What is meant by a function?</h3>
The earliest known attempts at the concept of functions can be traced back to the work of the Persian mathematicians Al-Biruni and Sharaf al-Din al-Tusi. Originally, functions were idealized dependencies of one variable on another. For example, planetary positions are functions of time. Historically, this concept was developed in calculus towards the end of his 17th century, and the functions studied were differentiable (i.e. they had a high degree of regularity) until his 19th century ).
Given,
f(x, y) = x, -y
gt; at x⇒∞, y⇒-∞ downwards
at x⇒∞, y⇒+∞ downwards
Therefore, option b is true to match the vector field f with the given plot
f(x, y)=x, -y
To know more about function, visit:
brainly.com/question/24428416
#SPJ1
The complete question is as follows:
Match the vector field f with the correct plot. f(x, y) = x, −y
Answer:
(-2.2, -1.6), (3, 1)
Step-by-step explanation:
You don't have to go far to find the equations. They are right there in your problem statement. Perhaps you want to find the solutions to the equations.
Use the first equation to write an expression for x, then substitute that into the second equation:
x = 2y +1
y^2 -3(2y+1)(y) +8 = 0
-5y^2 -3y +8 = 0
-(5y +8)(y -1) = 0
y = -8/5 or y = 1
The corresponding values of x are ...
x = 2(-8/5)+1 = -11/5
x = 2(1) +1 = 3
The solutions are (x, y) = (-2.2, -1.6) and (3, 1).
I think the answer is 200 secs.It will take Michael 40s to reach Jabal's home which is 100 meters away. Jabal would be 80 meters away.