The temperature was recorded at several times during the day. Function T gives the temperature in degrees Fahrenheit, N hours since midnight.
For each time interval, decide if the
average rate of change is positive,
negative, or zero.
a. From n=1 to n = 5
b. From n = 5 to n= 7
c. From n = 10 ton = 20
d. From n = 15 to n = 18
e. From n = 20 to n= 24

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

answer: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.