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Find the Maximum or Minimum Value of the Function $f ( x ) = 1.4 x ^ { 2 } - 1.2 x - 0.9$

Question 57

Multiple Choice

Find the maximum or minimum value of the function. Approximate to two decimal places.
- $f ( x ) = 1.4 x ^ { 2 } - 1.2 x - 0.9$

A) $0.43$
B) $- 1.16$
C) $- 0.43$
D) $- 0.13$

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