4.1 > 4.01 > 4.085 > 4.009
I hope this helps! ;D

Therefore, the function is not differentiable at x = 1.

Therefore, the function is not differentiable at x = 0.
Answer: 4x+10y
you can't simplify 4x+10y
Answer:
no, it's 81
Step-by-step explanation:
9×9=81 hope that this helps you and have a great day :)