Part II: Find the vertex of the parabola. Hint: To find the x-value of the vertex, take the average of the x-values of the x-intercepts or use the first part of the quadratic formula (). (2 points: 1 point for each coordinate value)

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step-by-step explanation:

yes. we do proportions in probabilities.

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!