Mathematics
Grade10
Easy
Question
The value of a if f(x) = a.3x is ______.
- 12
- 5
- 6
- 2
Hint:
Find the value of f(x) when x=0
The correct answer is: 6
We know, f(x) = a.bx
When x = 0, f(x) = a.30
= a
a = 6
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