SOLUTION: given f(x)=5x to the second power-3x +1, find f(-2) Thank you!
Algebra
->
Functions
-> SOLUTION: given f(x)=5x to the second power-3x +1, find f(-2) Thank you!
Log On
Algebra: Functions, Domain, NOT graphing
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Functions
Question 49969
This question is from textbook
Beginning Algebra
:
given f(x)=5x to the second power-3x +1, find f(-2)
Thank you!
This question is from textbook
Beginning Algebra
Answer by
tutorcecilia(2152)
(
Show Source
):
You can
put this solution on YOUR website!
given f(x)=5x to the second power-3x +1, find f(-2)
f(x)=5x^2-3x+1
f(x)=5(-2)^2-3(-2)+1 [Substitute (-2) for (x)]
f(x)=(5)(4)+6+1 [Simplify]
f(x) = 20 +6 + 1 = 27