Answer:
205x-60x^2-164y+48xy
Step-by-step explanation:
Answer:
Option D. 8
Step-by-step explanation:
we have

Remember that

substitute

Remove the discontinuity at x=4
Simplify

so
Find the value of f(4)
For x=4

Answer: 3 11/20
explanation: change 3 3/4 to a mixed number which is 15/4 then get a common denominator which is 75/20 - 4/20 then subtract and get 71/20 and then change to a mixed number and simplify to get 3 11/20