A relation is a function, if and only if, the x- values do not repeat in a given set.
Answer:
6 dollars
Step-by-step explanation:
40-10=30
30/5= 6
Ella is 13 years, four months, and 19 days old.
Answer:
Vertex form.
Step-by-step explanation:
You are talking about the vertex form for a parabola.
tells us:
A) The vertex is (h,k).
B) Open up (if a is positive) or open down (if a is negative)
C) a also tells us how much it is vertically stretched or compressed.