Question 1

In the function y = f(x), “y “ is classified as

Accepted Answer

A. Dependent variable

Answer

C. Both a and b

Answer

B. Independent variable

Answer

D. Neither a nor b

Question 2

Which of the following can be used to represent a function?

Accepted Answer

D. all of the above

Answer

A. equation

Answer

C. table

Answer

B. graph

Question 3

Suppose a company sells bicycles. The company's profit can be represented

by the function p(x) = x2 + 4x - 6300, where x is the number of bikes sold. If the

company sells 130 bicycles, what is the company's profit?

Accepted Answer

C. PHP11,120

Answer

B. PHP12,120

Answer

D. PHP13,120

Answer

A. PHP10,120

Question 4

A certain bottled soda drink costs PHP25.00 per bottle. If you buy 12 bottles

more, they will be marked down to a price of PHP22.00. Present the cost in

terms of the number of bottled soda drinks bought. Use a piecewise function.

Accepted Answer

C. f(n) = {25𝑛, 𝑖𝑓 0 < 𝑛 ≤ 12 22𝑛, 𝑖𝑓 𝑛 > 12 }

Answer

B. f(n) = {22𝑛, 𝑖𝑓 𝑛 > 12

Answer

D. f(n) = {22𝑛, 𝑖𝑓 0 < 𝑛 ≤ 12 25𝑛, 𝑖𝑓 𝑛 > 12 }

Answer

A. f(n) = {25𝑛, 𝑖𝑓 0 < 𝑛 ≤ 12}

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