The average mass of the large truck is 2460 kg and the average mass of the small car is 1354 kg.
Based on the given data, the mass of the large truck is 1106 kg.
Now, rounding off to the nearest hundred, the average mass of the larger truck is 2500 kg and the average mass of the small car is 1400 kg.
So, the larger truck is 1100 kg heavier than than the smaller car.
15. f(n)= 2n-3
a) =2(11)-7
=22-7
=15
=2(-6)-7
=-12-7
=-19
b) f(g)=-5x+1
= -5(41)+1
= -205+1
= -204
= -5(-16)+1
= 80+1
= 81
