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The expression 3 + 2(x - 5)2

models the height of a ball after X seconds. The constant in the simplified form of the expression represents the initial height, in feet, of the ball. What is the initial height of the ball?
A. -30 feet
B. -5 feet
C. 3 feet
D. 53 feet​

User Raducup
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Answer:

D. 53 feet

Explanation:

The value of the expression when x=0 is ...

3 + 2(-5)² = 3 + 2(25) = 3 +50 = 53

The initial height of the ball is 53 feet.

User Andrew Stewart
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