Choose the option that describes all the transformations made on the parent graph f(x)=x^2 to get to the following function
(1 Point)
(x) = -2x - 3
O vertical stretch by a scale factor of 2, shifted down 3 units
O reflected over the x-axis, shifted right 3 units
reflected over the x-axis, vertical stretch by a scale factor of 2, shifted down 3 units
O reflected over the x-axis, vertical stretch by a scale factor of 2, shifted right 3 units
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Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?