: EXAM-STYLE QUESTIONS
3 The diagram shows a cuboid ABCDEFGH,
where AD = 4cm, CD = 6 cm and CG = 9 cm.
Find the length of
a DB
b ED
C DG
d DE
9 cm
6 cm
A
4cm
D

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.