Question
PSLE
Find the values of the following when r = 4.
  1. 8r + 1 - 4r
  2. 4r2 + r
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Find the values of the following when r = 4.
  1. 8r + 1 - 4r
  2. 4r2 + r