For Which Value Of $x$ Does $10 + 7 x - 4 x ^ { 2 }$

question 64

Multiple Choice

For which value of $x$ does $10 + 7 x - 4 x ^ { 2 }$ reach a maximum? Restrict your attention to the horizontal span of 0 to 7.

• A) 2.18
• B) 13.06
• C) 0.88
• D) 16.19

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