SOLUTION: Let f(x) = (x+7)^2 + 3. At which value of x does f(x) have a minimum?
(a) -7
(b) -3
(c) 0
(d) 7
(e) none of these.
I put E. Is that right? Thank you for the help in advan
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Trigonometry-basics
-> SOLUTION: Let f(x) = (x+7)^2 + 3. At which value of x does f(x) have a minimum?
(a) -7
(b) -3
(c) 0
(d) 7
(e) none of these.
I put E. Is that right? Thank you for the help in advan
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Question 756022: Let f(x) = (x+7)^2 + 3. At which value of x does f(x) have a minimum?
(a) -7
(b) -3
(c) 0
(d) 7
(e) none of these.
I put E. Is that right? Thank you for the help in advanced! :) Answer by solver91311(24713) (Show Source):
is a parabola with a vertex at . It opens upward (and therefore the vertex is a minimum) if and it opens downward (and therefore the vertex is a maximum) if .
To see this better in your case, rewrite your equation in the equivalent form:
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
