Answer:
first ones 11
Step-by-step explanation:
-22/-2=11
X is equal to 5 because 2x+4=14
Answer:
-4.5
Step-by-step explanation:





Given: 3y cos x = x² + y²
Define

Then by implicit differentiation, obtain
3y' cos(x) - 3y sin(x) = 2x + 2y y'
y' [3 cos(x) - 2y] = 2x + 3y sinx)
Answer: