At Orange County Choppers, Paul Teutul Junior needs to make a circular metal disk with area 1000 in2.
The radius of such a disk is inches.
To keep Paul Senior from blowing a gasket, Paul Junior must deviate from the ideal area of the disk, which is 1000 in2, by less than ±4 in2. How close to the ideal radius must the Flowjet (the machine that cuts the disk) be to maintain tranquility at OCC?
Answer = inches.
In terms of the ϵ,δ definition of limx→af(x)=L, let x be the actual radius of the disk and f(x) the actual area of the disk.
What is the formula for the function f(x)?
What is the number a?
What is the number L?
What value of ϵ is given?
What is the corresponding value of δ?
谢大神
The radius of such a disk is inches.
To keep Paul Senior from blowing a gasket, Paul Junior must deviate from the ideal area of the disk, which is 1000 in2, by less than ±4 in2. How close to the ideal radius must the Flowjet (the machine that cuts the disk) be to maintain tranquility at OCC?
Answer = inches.
In terms of the ϵ,δ definition of limx→af(x)=L, let x be the actual radius of the disk and f(x) the actual area of the disk.
What is the formula for the function f(x)?
What is the number a?
What is the number L?
What value of ϵ is given?
What is the corresponding value of δ?
谢大神