y = mx + b
5 = 12(-3) + b
5 = -36 + b
b = 41
y = -3x + 41
69 because that’s good and she was like u smell like fart
Answer:
The y-intercept is the point (0,-8)
see the attached figure
Step-by-step explanation:
we have
![f(x)=x^{2}-2x-8](https://tex.z-dn.net/?f=f%28x%29%3Dx%5E%7B2%7D-2x-8)
we know that
The y-intercept is the value of the function f(x) when the value of x is equal to zero
so
For x=0
![f(x)=0^{2}-2(0)-8\\f(x)=-8](https://tex.z-dn.net/?f=f%28x%29%3D0%5E%7B2%7D-2%280%29-8%5C%5Cf%28x%29%3D-8)
therefore
The y-intercept is the point (0,-8)
see the attached figure to better understand the problem
The time taken by the boat to travel 32 miles downstream is 2.1 hours and for upstream 3.56 hours.
<h3>What is speed?</h3>
Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance.
Given that:-
- A paddleboat moves at a rate of 12 mph in still water. If the rover’s current moves at a rate of 3 mph.
- how long will it take the boat to travel 36 miles downstream and 36 miles upstream?
The time taken by the boat upstream will be calculated as:-
( B + W ) Td = D
( 12 + 3 ) Td = 32
( 15 ) Td = 32
Td = 32 / 15 = 2.1 hours
The time taken by the boat downstream will be calculated as:-
( B - W ) Tu = D
( 12 - 3 ) Tu = 32
9 Tu = 32
Tu = 32 / 9 = 3.56 hours.
Therefore the time taken by the boat to travel 32 miles downstream is 2.1 hours and for upstream 3.56 hours.
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