Question

. Find the value of x for which the expression 2 - 3x - 4x^2 has the greatest value.​

Answer 1

Answer:

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Step-by-step explanation:

2 − 3x − 4x2 = 2 − 4x2 + 3/4

xHence

the maximum value of 2 − 3x − 4x2 is 41/6

and

it takes this value when x = − 3/8 .