Question:
What is f(16) equal to?
What is f(16) equal to?
Options:
- a) 18
- b) 27
- c) 54
- d) 81
- a) 18
- b) 27
- c) 54
- d) 81
correct answer : d)
Explanation:
f
f
()
()
4
2 = f 4
2
= f(2) Þ f(4) = 3 × 3 = 9
f
f
()
()
16
4
= f(4)
Þ f(16) = 9 × 9 = 81
f
f
()
()
4
2 = f 4
2
= f(2) Þ f(4) = 3 × 3 = 9
f
f
()
()
16
4
= f(4)
Þ f(16) = 9 × 9 = 81