15. Identify the diameter of circle A.

Possible Answers:
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A: AB
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B: AS
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C: BT
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D: TS

Please give me atleast some minor explanation.

C: BT

Step-by-step explanation:

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

1 is c

2 is a

3 is a

step-by-step explanation:

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1