Try another version of this question Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
For the function `f(x) = (7x-6)/(2x-8)`, evaluate `f(-1)`.
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity `13/10`