Answer:
When you take the derivative of -tan(xy) you have to account for the chain rule in the xy.
Step-by-step explanation:
Your answer should be set up as such.
0 - sec^2(xy) ((y)+(x*dy/dx)) = 0
y + x*dy/dx = 0
dy/dx = -y/x
Answer:
Step-by-step explanation:
y=-2x+3
y=(-2*-3)+3
y=6+3
y=9
Answer:
89
Step-by-step explanation:
we substitute -7 into our function for x so:
(-7)² - 4(-7) + 11
= 49 + 28 + 11
= 89
Answer:
Perimeter of a SQUARE
4 x s
4 x 2.3 = 9.2 cm
Hence the perimeter of the square is 9.2cm