Graph of Parallel lines shows a system of equations with no solutions
Step-by-step explanation:
Consider a set of equations
If we solve this both equations using any one of the solving method, (Substitution method) then we will get
substituting the following x in 2nd equation (21x + 6y = 24) We get
Put y= -2 in x equation
Comparing these (x,y) values we can understand that they never meet at a point
Answer:
Y'=3xy-3x-12
Y'=F(-2,-1)=0
Step-by-step explanation:
The function of the equation at the point (-2,-1)
is where the equation make the function go to zero:
Y'=3xy-3x-12
Y'=F(-2,-1)=[3(-2)(-1)]-[3(-1)]-12
F(-2,-1)=[6]-[-6]-12
F(-2,-1)=6+6-12
F(-2,-1)=12-12
F(-2,-1)=0
Solving for y
3xy-3x-12=0
y=4/x+x
Making y=0
So the values make the function go to zero
The maximum number of miles the truck can be driven so that the rental cost is at most is
Further explanation:
Given:
A local company rents a moving truck for
Rent per mile is if the truck moves more than 1000 miles.
Explanation:
The rental cost of the truck is if he drove less than 1000 miles.
The rental cost of the truck can be expressed as follows,
The rental cost is at most
The maximum number of miles can be obtained as follows,
The maximum number of miles can be obtained as follows,
The maximum number of miles the truck can be driven so that the rental cost is at most is
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Answer details:
Grade: High School
Subject: Mathematics
Chapter: Linear inequality
Keywords: local company, rents, moving, truck, $750, $0.59, maximum, 1000 miles, $1000, at most, at least, number of miles, rental cost, driven over