Answer:
B(2,3),C(2,-3)
Step-by-step explanation:
On y-axis symmetry有手就行
x + 30 = 2x (since angleA = angle D, due to congruency between the two triangles.)
30 = 2x - x
30 = x
hope it helps...!!!
Answer:
b
Step-by-step explanation:
Answer:
{x: x ∈ ℝ, x ≥ 0}
Step-by-step explanation:
The relation is only defined for non-negative values of x, so that is what the domain consists of: real numbers greater than or equal to zero.
The y is greater than the function
