Question

Evaluate 4 + s × 12, where s= 1/2
(A) 6
(B) 10
(C) 24
(D) 54

Answer 1

10

Explanation:

4 + s x 12

4 + (s x 12)

s = 1/2

substitute for s

4 + (1/2 x 12)

4 + 6 = 10

Answer 2

(B) 10

Explanation:

f(s) = 4 + s × 12

f(1/2) = 4 + (1/2) × 12

= 4 + 6

= 10