The team first experiments with changing the position of the curved pit. In the computer program, the vertex begins on the origin, and the curve is modeled by the parent quadratic equation, y = x2.

Match each description with the equation that will create that pit.

Tiles
The curved pit is shifted down 2 units.
The curved pit is shifted right 2 units.
The curved pit is shifted left 2 units.
The curved pit is shifted up 2 units.

Pairs
y = (x + 2)2 ---> ?

y = (x − 2)2 ---> ?

y = x2 + 2 ---> ?

y = x2 − 2 ---> ?

594 square inches

step-by-step explanation:

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

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