Select the function that represents a parabola with vertex at (2,1) and y-intercept (0,3).

y - 1 = (1/2)(x - 2)^2

Step-by-step explanation:

The appropriate equation for such a parabola has the form

y - k = a(x - h)^2, where (h, k) is the vertex:

y - 1 = a(x - 2)^2.  Since the y-intercept is (0, 3), we substitute 3 for y and 0 for x, obtaining:

3 - 1 = a(0 - 2)^2, or

2 = a(4).  Therefore, a = 1/2, and the equation of this parabola is:

y - 1 = (1/2)(x - 2)^2

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the 1st digit is in the 100s n its 1

step-by-step explanation:

3,589÷18 = 199.389

so the first digit of the quotient is in the 100s n its 1

need more detail

step-by-step explanation:

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