If I can run 1/4 mile in 3 minutes how long would it take me to run 26.2 miles?

There is four 1/4's per mile.

This means you run 1 mile in 3 x 4 = 12 minutes.

Multiple minutes per mile by total miles:

12 minutes per mile x 26.2 miles = 314.4 minutes.

1 hour = 60 minutes:

Divide total minutes by 60 to get hours:

314.4 minutes / 60 minutes per hour = 5.24 hours.

Multiply the decimal part of the hour by 60 to get the minutes:

0.24 x 60 = 14.4 minutes = 14 minutes and 24 seconds.

Total time = 5 hours, 14 minutes and 24 seconds.

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option