Which relation is a function?
2 answers:
Answer:
A.
Step-by-step explanation:
If you use the vertical line test only one point hits the graph.
Using the vertical line test:
If you can draw a vertical line and it crosses the graphed line more than once, or multiples dots on the same line it is not a function.
The first graph is a function.
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Answer:
true, true, false
Step-by-step explanation:
the sales do not decrease between week 4 and 5
f(4) = 3×4^2+15
4^2=16
3×16
48+15
63
f(4)=63
Answer:
45 cm
Step-by-step explanation:

Answer:
s=13
Step-by-step explanation:
s=5q+8
plug in numbers
s=5(1)+8
solve 5*1
s=5+8
solve 5+8
s=13
Any set of 3 points is "coplanar".