Answer:
Step-by-step explanation:
It is a function. Every x has only 1 y associated with it. You cannot find an exception to this rule.
Stated another more common way: if you take a ruler and lay it flat on the graph so that the ruler is parallel to the y axis, you will find the ruler will go through only one y for every x. That's called the vertical line test.
Answer:
77°F
Step-by-step explanation:
Just plug in 25 into the C variable and you get your answer.
Answer:
Option 1
Step-by-step explanation:
The formula of constant porpotionality is

or

where k is the constant of porpotionality.
This equation is direct variation so we will use

The equation is in the form

1.5 is in k place so the constant of porpotionality is 1.5
Answer:
3.5
Step-by-step explanation:
Because if .5 turns into one whole if you add .5 then its a half and so when you put the .5 into a fraction so thats the answer.
Answer:
6
Step-by-step explanation:
- x + 2 - z
- If x = 6 and z = 2 then : 6 + 2 -2
- 6 +2 is 8 - 2 is six
- answer is 6