If we divide the two-digit number c by the sum of its digits, we get the quotient 5 and the remainder 11. Calculate the number c if its digits differ by 1

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|