SOLUTION: Find the Max or Min point of this function f(x)=x^2-14x+59 & f(x)= -x^2-14x-52

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Find the Max or Min point of this function f(x)=x^2-14x+59 & f(x)= -x^2-14x-52      Log On


   

Question 3988: Find the Max or Min point of this function
f(x)=x^2-14x+59
&
f(x)= -x^2-14x-52
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2-14x+59

so f'(x) = 2x-14 = 0
2x = 14
--> x=7

so, when x=7, y=7%5E2-14%287%29%2B59 --> y=10

f''(x) = 2, which is positive therefore a MINIMUM point.

you do the other one

jon