The answer is B.
Function means every x corresponds to one unique y value. ACD all have duplicates correspondence.
<span>An equiangular triangle is a triangle where all three interior angles are equal in measure.</span>
Firstly , we need to draw diagram
we are given
opposite =300
adjacent =750
now, we can use tan formula

now, we can find x

we get

so,
angle of depression is 21.8 degree.....Answer
Answer:
A
Step-by-step explanation:
A) 30:40=3:4
B) 30:70=3:7
C) 2:1
D) 8:6=4:3