Q1 - Converting compound units Convert these units.
speed
9 m/s
m/s
km/h
63 km/h
5 g/cm3
density
kg/m3
1500 kg/m3
g/cm3
Pa
pressure
1.3 N/cm2
N/cm2
6200 Pa
£ 1100 per week
rate of pay
£
per annum
£30000 per annum
th
per month
94 p per 100g
£
per kg
cost
p per 100g
£5.50 per kg

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost