Answer:
The graph represents a linear function that passes through the origin.
Step-by-step explanation:
Proportional functions can be represented by
, where
is some constant. They form a straight line that always pass through the origin (0,0). We can see all these characteristics in the graph, thus the graph is proportional.
Answer:
-1
Step-by-step explanation:
75°+75°=150°
angles in a triangle add up to 180°
180°-150°=30°
c) x=30°