Top answers

If you are given the function f(x) = 10-3x and g(x) = (x-3)/2 , find the value of the composite function gf(4) ?

The composite function can be thought of as if the function f(x) is the variable for the function g(x) instead of x. So first you find the value of the function f(4),f(4) = 10 - (3x4) = 10 - 12 = -2Now that ...
HL
Answered by Hajerah L. • Maths tutor
4409 Views

Explain the arguments in favour of a proportional electoral system.

Define 'Proportional Representation' - an electoral system where parties gain seats in proportion to the amount of votes they received from the electorateWhat are the benefits?the wishes of the electorate ar...
EH
3070 Views

How can I learn French vocabulary effectively?

In order to memorise French vocabulary effectively you must review the chosen words for AT LEAST 5 minutes a day. There are many different apps from which you can choose to help your learning. For example, V...
EH
Answered by Emily H. • French tutor
3495 Views

What is a 'trade off'?

It involves choosing more of one and less than another, or choosing something instead of another.This means that 2 options are compared against each other in a scenario to find an optimum that will meet the ...
CH
Answered by Cora H. • Economics tutor
7465 Views

What is the reaction force? (eg from the ground or table)

The reaction force is the force that the table exerts on an object which is pressing on it. The reason there is a reaction force is because the table is made of atoms and you can imagine these atoms been con...
NW
Answered by Nick W. • Physics tutor
4815 Views