For Which Value Of $x$ Does $4 x ^ { 2 } - 10 x + 15$

question 9

Multiple Choice

For which value of $x$ does $4 x ^ { 2 } - 10 x + 15$ reach a minimum? Restrict your attention to the horizontal span of 0 to 10.

• A) 15
• B) 8.75
• C) 1.25
• D) 0

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