We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
153
1
avatar

If f(x)=3(x+5)+(4/x), what is f(a+2)

 

 

A. 3(a+2)+(4/a)+2

B.3(a+7)+(4/a+2)

C.3(f(a)+5)+(4/f(a)+2)

 Sep 15, 2018
 #1
avatar+5038 
+1

\(f(a+2) = 3((a+2)+5) + \dfrac{4}{a+2} = 3(a+7) + \dfrac{4}{a+2} \\ \\ \text{i.e. choice B}\)

.
 Sep 15, 2018

12 Online Users