Write the correct answer.
1. On April 14-15, 1921 in Silver Lake,
Colorado, 76 inches of...
Mathematics, 05.05.2020 10:23 emmilee94
Write the correct answer.
1. On April 14-15, 1921 in Silver Lake,
Colorado, 76 inches of snow fell in
24 hours, at an average rate of
3.2 inches per hour. Find a rule for
the linear function that describes the
amount of snow after x hours at the
average rate.
2. At the average rate of snowfall from
Exercise 1, how much snow had fallen
in 15 hours?
4. If the temperature is 75º and the dew
point is 40°, what is the height of the
clouds?
3. The altitude of clouds in feet can be
found by multiplying the difference
between the temperature and the
dew point by 228. If the temperature
is 75°, find a rule for the linear
function that describes the height of
the clouds with dew point x.
For Exercises 5–7, refer to the table below, which shows the
relationship between the number of times a cricket chirps in a
minute and temperature.
5. Find a rule for the linear function that
Cricket Chirps/min Temperature (°F)
describes the temperature based on
80
60
x, the number of cricket chirps in a
65
minute based on temperature.
A f(x) = x + 5
120
70
140
75
B f(x) = - +40
100
O Houghton Mifflin Harcourt Publishing Company
c f(x) = x - 20
D fx) = - + 20
6. What is the temperature if a cricket
chirps 150 times in a minute?
F 77.5 °F
H 130 °F.
G 95 °F
J 155 °F
7. If the temperature is 85 °F, how many
times will a cricket chirp in a minute?
A 61
C 180
B 105
D 200
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