Let f(x)= x^2-4x-c. Find a nonzero value of c such that f(c)=c.

The nonzero value of c will be:

Step-by-step explanation:

Given the function

as

so

switching the sides

subtract c from both sides

Using the zero factor principle

so, the solutions to the quadratic equations are:

Therefore, a nonzero value of c will be:

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.