gmater29 wrote:For all integers n, the function f is defined by f (n) = an, where a is a constant. What is the value of f (1)?
(1) f(2)=100
(2) f(3)=-1,000
f(n)= a ^ n
so f(1) = a ^ 1 = a
So the question is actually what is the value of a?
option 1)
f(2) = a ^ 2 = 100
a = + - 10 , so we do not know a.
option 2)
f(3) = a ^ 3 = -1000
a = -10
so option B alone can give the answer but not A.
So the answer is B
