Given that a FedEx freight truck carries three tons of packages 660 miles on 90 gallons of diesel fuel from Miami, FL to Atlanta, GA.
so that means speed of the truck is
speed = distance/time = 660/90 miles per gallon
hence slope of the equation will be
m=660/90 = 66/9= 22/3
There is no information about initial cost or any initial value so that means y-intercept b=0
plug value of m and b into y=mx+b
so we get equation y=22/3x+0
Where x is the number of gallons and y is the number of miles
Now we can easily graph this equation to get the required graph.
when x=0 then y=22/3x=22/3*0=0
so first point is (0,0)
when x=3 then y=22/3x=22/3*3=22
so second point is (3,22)
Now we join them by a line to get the graph
clearly number of gallons can't be negative so domain is all positive real numbers.
Origin of the graph represents that if there is no gallons of fuel used then there will be no distance traveled.
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3. 12.15, you are correct.
4.2.01, your first digit is correct,
hope this !