I made this graph for you- the red is the 80%, and the green is the leftover 20%.
Answer:
9
Step-by-step explanation:
A rate in which the numerator and the denominator are equal to a rate of one
Let

. Then

, and differentiating both sides with respect to

gives


Now, when

, you get

You have

, so

and

. So
Answer:
X=0 the temperatures is 40
Step-by-step explanation:
y=1/4x +40
x=0
y=1/4*0+40
y=0+40
y=40