habib

ln (e^(-x) + x e^(-x)) derivative 1 / (e^(-x) + x e^(-x)) * (-e^(-x) x ) how did they get (-e^(-x) x ) , was it the product rule or just a chain rule ? and not sure how they got the answer - x / x + 1 ...doesnt make sense thanks

Which of the following refers to the movement of biochemical and other atomic or molecular substances across biological membranes?

Membrane transport

ATP breakdown

Diffusion

Osmosis

Which of the following may lead to cancer?

A mutation in the gene

A fault in the DNA repair procedure

Loss of control over the cell cycle

All of the choices

Can someone solve this word problem? Until the high Middle Ages, people in Germany only used honey for sweetening. Since the 19th century, beet has been used as a supplier of sugar. 22 percent of the sugar produced worldwide comes from sugar beet. In 2018, sugar beet was grown in Europe on an area of 1, 65 million hectares. A sugar beet has an average sugar content of 17.5% and can weigh up to 1200g. Calculate clearly with an explanation how many tons of sugar were roughly produced in Europe in 2018 if around 6 beets were planted per square meter can be.

I need an example for this question:

(g)  a function that has odd symmetry (symmetry with respect to both the x and y axes)

How many minutes are there in three and a half hours?

1*10,10*1,2*3,4*5,6*7, answer

Slove f(-4) if f(x)=-4x-2

What is this about

The technology Network currently has no policies or procedures in place to promote a sustainable office. Energy and resource conversation are key areas they would like to address . Your supervisor has requested that all employees analyze their work activities and come up with suggestions to address the following issues

a) Excessive amount of paper been used. Suggest 2 strategies b) Increased electricity usage. Suggest 2 strategies

Thank you

what is tax

What is money