$\text{Given that,}\\\\f(x) = \ln (x^2 - 2x)\\\\f'(x) = \dfrac 1{x^2 -2x} \cdot (2x - 2) = \dfrac{2(x-1)}{x(x-2)}\\\\\\\text{domain f(x): } \{x| x < 0, x > 2 \}$

4 0

2 years ago

1.4(0.5x+4.2y)−3.5(0.2x−1.5y)<br> simplify<br> lots of points

Vilka [71]

1,4(0,5x + 4,2y) - 3,5(0,2x - 1,5y)

1,4.0,5x + 1,4.4,2y - 3,5.0,2x + 3,5.1,5y

0,7x + 5,88y - 0,7x + 5,25y

0,7x - 0,7x + 5,88y + 5,25y

11,13y

7 0

4 years ago

a recipe for a cake to serve four people requires 400g butter, 320 g sugar, 1 egg and 800 g flour. work out the amount of each i

Oliga [24]

2400g of butter
1920g of sugar
6 eggs
4800g of flour

4 0

4 years ago