Answer:
{3, 4, 5, ...}
Step-by-step explanation:
If x is a positive integer, a(x) will be a positive integer equal to 3 or more.
The range of "a" is positive integers greater than or equal to 3.
Answer: (1, 3)
Explanation:
2x + 4x - 1 = 5
6x = 6
x = 1
y = 4(1) - 1
y = 4 - 1
y = 3

The Angle formed by an arc on the centre of the circle is double the angle made by the same arc on the circumference of the circle.
So,

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Answer:
A. Rashid solved the problem correctly.