Answer:
is sometimes positive and sometimes negative.
Step-by-step explanation:
Take 
Take 
Hence 
for 
and 
for 
So is sometimes positive and sometimes negative in the interval.
Y = mx + c
y = 0.5x
y = 0.5*4 = 2
(4,2)
I don’t understand what the question is telling me
The answer is B) 23C above freezing.
0C is freezing temperature for water, that equals 32F
Answer:
(2,-4)
Step-by-step explanation
When you reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate is transformed into its opposite (its sign is changed). If you forget the rules for reflections when graphing, simply fold your paper along the x-axis (the line of reflection) to see where the new figure will be located.
