Answer:
1. not a function
2. function
3. function
Step-by-step explanation:
ask yourself..."does it pass the vertical line test?"
Answer:
20 Celsius
Step-by-step explanation:


Answer:
it depends on how heavy it is
Step-by-step explanation:
Answer:
see the explanation
Step-by-step explanation:
we know that
A linear function in slope intercept form is equal to

where
m is the slope or unit rate
b is the y-intercept
x is the independent variable or input value
f(x) is the dependent variable or output value
In this problem we have

where
m is the number of miles
f(m) is the cab company's fare in dollars
we have that
In this context
<em>Slope</em>
The slope or unit rate is equal to the cost per mile for the riders trip
The slope is $3 per mile
<em>Y-intercept</em>
The y-intercept is the cost of the riders trip when the number of miles is equal to zero, also is called the initial value.
The y-intercept is $5
Answer:
Y = 9
Step-by-step explanation:
2Y (with Y having a value of 9) would be equal to 2 x 9 which would give you 18
then you take the 18 and subtract 10x
which would give you 8x with the x not being relevant in your case (maybe)