What does f(x)= 3x - 1, for f(-2) mean?
It means to output a -2 into the function to find the input.
It means to subtract 2 from the function.
It means to input a -2 into the function to find the output.
None of the choices are correct.

At a constant it will take one hour to travel 32 mi.at that speed it will take 1/2 hr to travel the remaining 16 mi.it will take 1+1/2 hr to travel the 48mi @ 32mph.so 1 hr = 60 min& 1/2 hr = 30 min1+1/2 hr = 90 min.there are 60s in each 90 × 60 = 3600 seconds.the real question seriously is he why are they driving so slow? ! lol.

The answer is d, none of above hope i

The correct answer is c.