Question

the axis of symmetry for the graph of the function f(x)=3x^2+bx+4 is x=3/2. what is the value of b

Answer 1

Since the axis of symmetry is the vertical line through the vertex, the line is given by
x=-B/(2A) = -B/(2*3) = 3/2
solving B
B=(3/2)*(-2*3)=-9

Answer 2

Answer:-9

Step-by-step explanation:

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