Brandikitts
19.09.2019 •
Mathematics
The function f(t) = t2 + 12t − 18 represents a parabola. part a: rewrite the function in vertex form by completing the square. show your work. (6 points) part b: determine the vertex and indicate whether it is a maximum or a minimum on the graph. how do you know? (2 points) part c: determine the axis of symmetry for f(t). (2 points)
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Ответ:
f ( t ) = t² + 12 t - 19
( t² + 12 t + 36 ) - 36 - 18
( t + 6)² - 54
Part B : The vertex ( - 6, -54 ).
This is the minimum, because the parabola is open up ( a > 0 ).
Part C : The axis of symmetry t = - 6.
Ответ:
-86
Step-by-step explanation:
-102-
98 so the answer is -86