SOLUTION: Which of the following functions has a maximum/minimum of (4,2)? a. f(x)=2(x+4)²-2 b. f(x)=2(x-4)²+2 c. f(x)=2(x+4)²+2 d. f(x)=2(x-4)²-2

Algebra ->  Rational-functions -> SOLUTION: Which of the following functions has a maximum/minimum of (4,2)? a. f(x)=2(x+4)²-2 b. f(x)=2(x-4)²+2 c. f(x)=2(x+4)²+2 d. f(x)=2(x-4)²-2      Log On


   



Question 1010125: Which of the following functions has a maximum/minimum of (4,2)?
a. f(x)=2(x+4)²-2
b. f(x)=2(x-4)²+2
c. f(x)=2(x+4)²+2
d. f(x)=2(x-4)²-2

Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=a%28x-h%29%5E2%2Bk has a vertex at (h,k), and if a>0, then the vertex is a minimum; and if a<0 then vertex is a maximum.


Choice is (b).