Search our library of homework questions

Top answers

All subjects

All levels

The curve C has equation y=(2x-3)^5, the point P lies on C and has coordinates (w, – 32), find (a) the value of w and (b) the equation of the tangent to C at the point P in the form y=mx+c , where m and c are constants.

(a) The curve is defined by y=(2x-3)^5. To find x=w when y=-32, we must substitute these values into the equation C and re-arrange to find w. -32=(2w-3)^5. First we must remove the power of 5 by doing pow...

Answered by Jordan P. • Maths tutor

11379 Views

Describe to me where you live.

Wo wohnst du? Where do you live?Ich wohne mit meiner Familie in einem Einfamilienhaus. Es besteht aus drei Schlafzimmern, einem Wohnzimmer, einer Küche, einem Esszimmer, einem Computerzimmer, zwei Badezim...

Answered by Tutor165211 D. • German tutor

1460 Views

Give possible reasons why increase in pulse rate after exercise may be different for each individual.

Gender differencesdifferences in body massreference to health of lungs/heart/fitness leveltype of exercise conducted

Answered by Tutor165211 D. • Human Biology tutor

3565 Views

Explain eutrophication.

How I would explain to the student:pollution of streams and rivers because of fertiliser use, open sewers into water courseexcess nutrients get washed up in water courseplants flourish using these mineral...

Answered by Tutor165211 D. • Biology tutor

2265 Views

How do I know when to use the imperfect tense or the perfect tense?

The imperfect tense (l'imparfait) and the perfect tense (le passe compose) are both past tenses but are used differently.The imperfect tense is used to express 1) continuous actions and events that happen...

Answered by Maya H. • French tutor

1667 Views