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WorksheetsSolving Real-life Problems Involving Functions
Total questions: 10
Worksheet time: 10mins
Given ℎ(𝑥) = (5𝑥−6)/3, determine ℎ(3).
-3
-1
1
3
Let 𝑓(𝑥) = 𝑥2− 𝑥 + 2, find 𝑓(𝑥 + 1)
2x2 + x +2
2x2 + 2x + 3
x2 + x + 1
x2 - x + 3
Which of the following expresses the total earnings (E) as a
function of the number (n) of days if a laborer works and
earning ₱350 per day?
E(n)=350 + n
E(n) = 350n
E(n) = 350/n
E(n) = 350 - n
If the temperature in degrees Celsius inside the Earth is represented by T(d) = 12d + 22 where (d) is the depth in kilometers, what
is the temperature inside the Earth in 10 kilometers?
144
142
140
138
Cotta National High School has 1,200 students enrolled in 2016
and 1,500 students in 2019. The student population P grows as a
linear function of time (t), where t is the number of years after
2016.
A. Which of the following functions represents the student
population that relates to time t?
P(t)= 100t + 1,200
P(t)= 1000 + 200t
P(t)= 100t + 2200
P(t)= 100t + 1,500
Cotta National High School has 1,200 students enrolled in 2016
and 1,500 students in 2019. The student population P grows as a
linear function of time (t), where t is the number of years after 2016.
B. How many students will be enrolled in Cotta National High School by 2020?
1900
1800
1700
1600
Mark charges ₱100.00 for an encoding work. In addition, he charges ₱5.00 per page of printed output.
A. Find a function f(x) where x represents the number of pages of printed out.
f(x) = 100 + 5x
f(x) = 100 - 5x
f(x) = 100 + 2x
f(x) = 100 - 2x
Mark charges ₱100.00 for an encoding work. In addition, he charges ₱5.00 per page of printed output.
How much will Mark charge for 55-page encoding and printing work?
₱275.00
₱350.00
₱375.00
₱400.00
Mark charges ₱100.00 for an encoding work. In addition, he charges ₱5.00 per page of printed output.
How many pages were printed if Mark received a payment of ₱600.00?
100 pages
80 pages
60 pages
50 pages
Mark charges ₱100.00 for an encoding work. In addition, he charges ₱5.00 per page of printed output.
If Mark offers a promo to loyal costumer that the first 20 pages of the printed output will be free of charge, how much will he charge to a loyal customer who printed 70 pages of output?
250
350
400
455
