+0  
 
0
23
1
avatar

The function f(x) = ax^r satisfies f(2) = 1 and f(32) = 16. Find r.

 May 30, 2021
 #1
avatar+556 
+1

$a\cdot 2^r=1$, $a\cdot 32^r=16$. Dividing the two, $\frac{32^r}{2^r}=16^r=16\implies r=1$.

 May 30, 2021

50 Online Users

avatar
avatar
avatar
avatar
avatar
avatar