Top answers

f(x)=3x+c g(x)=cx+8 fg(x)=6x+d Work out c and d.

fg(x) means f of g of x fg(x) = 3(cx+8) + c = 3cx + 24 + c = 6x + d 3cx = 6x 3c=6 c=2 24 + c = d 24+2=d=26
CF
Answered by Ceri F. • Maths tutor
3858 Views

Erstelle eine Liste von Dingen, die sich in der Küche befinden.

This question is straightforward as it asks you to create a list; you don't even need to build sentences. "Things that can be found in the kitchen" could be several; think of food, kitchen applianc...
KS
Answered by Klara S. • German tutor
2611 Views

Can you explain the quadratic formula?

The quadratic formula is used to solve the quadratic equation. Although methods like factorising or completing the square can easily be used, this offers another method which can be used for more difficult e...
SI
Answered by Shazeaa I. • Maths tutor
4672 Views

What are the most common challenges in urban environments?

There are five main parts that make up the answer to this question. Remember at GCSE the mark scheme is rather specific so you will need to make sure you mention all 5 of these items in order to gain maximum...
SP
Answered by Saskia P. • Geography tutor
2561 Views

Show that y=3x-2 and 3y-9x+5=0 are parallel.

Parallel lines have the same gradient (same 'm' value in y=mx+c). Therefore m=3 for both equations; if they are parallel lines. The second equation needs to be rearranged for y to determine this. 3y-9x+5 = 0...
NG
Answered by Nicole G. • Maths tutor
15375 Views