Answer:
The domain is (negative infinity, infinity) the range is [3. Infinity) y>=3
Step-by-step explanation:
The domain for all quadratic functions are (Negative infinity, infinity)
The range is the output values of the function 3, to infinity
Answer: 7x ≤ 15
Explanation: At least 15 people or less.
Answer:
From the basics of algebra,
a triangle subtended to the center of a circle from the circumference is always isosceles
since the Central angle is 60 and the triangle is isosceles, the other angles are,

meaning that the triangle is equilateral.
all the other angles are 60.
the radius of the circle is the length of the triangles side,
ie 6cm