SOLUTION: 19. Let f (x) = x^2+14x + 50. (a) Find the vertex. Answer: ________ (b) State the range of the function. Answer: ________ (c) On what interval is the function decreasing? Answer

Algebra ->  Equations -> SOLUTION: 19. Let f (x) = x^2+14x + 50. (a) Find the vertex. Answer: ________ (b) State the range of the function. Answer: ________ (c) On what interval is the function decreasing? Answer      Log On


   

Question 1136296: 19. Let f (x) = x^2+14x + 50.
(a) Find the vertex. Answer: ________
(b) State the range of the function. Answer: ________
(c) On what interval is the function decreasing? Answer: ________
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B14x%2B49%2B50-49
%28x%2B7%29%5E2%2B1

vertex: (-7, 1)
range: [1, infinity)
interval of decrease: x%3C-7