Register
Given f(x)=2x+9, if f(x)=15, find x
266,818 views
39 votes
39 votes
Given f(x)=2x+9, if f(x)=15, find x

User How Chen
by
2.7k points

2 Answers

14 votes
14 votes
Answer:
f(x)=39
Expiation:
f(x)=2x+9,f(x)=15 you substitute the x for the 15.
f(15)=2(15)+9
f(15)=30+9
f(15)=39
User Martyn Davies
by
3.2k points
20 votes
20 votes

Answer:

x = 3 I think

Explanation:

h. mmm yess I think

User Talpaz
by
2.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Can anybody tell me what’s going on here?
Granola costs $1.76 per pound. Write and solve an equation to determine the number of pounds p of granola that can be purchased with $7.04. The equation is: The value of x is
Evalute 8a -1+0.5b when a =1/4 and b= 10 how dose this work i need help..
PLZ needed now plz URGENT!
Yall help me out please
Link Copied!