- 1. what is the solution for the given figure?
A) true
B) maybe
C) false
D) none of these
- 2. Which situation can be represented by a one-to-one function?
A) The number of hours worked and the amount of money earned
B) The color of a car and the number of doors it has
C) The name of a person and their social security number.
D) The number of students in a class and the number of books in the classroom.
- 3. A company assigns a unique employee ID to each employee. Which type of function represents this situation?
A) One-to-many
B) Many-to-many
C) One-to-one
D) many-to-one
- 4. Which real-life situation can be modeled using a one-to-one function?
A) The relationship between a license plate number and a vehicle
B) a. The relationship between the number of people attending a party and the amount of food available
C) The relationship between a student's name and their grade level
D) The relationship between the number of hours studied and the grade achieved
- 5. A library assigns a unique catalog number to each book. Which type of function represents this situation?
A) One-to-one
B) Many-to-many
C) many-to-one
D) One-to-many
- 6. Find the inverse of the function f(x) = 2x + 1.
A) c
B) a
C) b
D) d
- 9. A population of bacteria doubles every 3 hours. If there are initially 100 bacteria, which function represents the population after x hours?
A) a
B) b
C) c
D) d
- 10. A company invests PhP10,000 in a savings account that earns an annual interest rate of 4%, compounded annually. Which function represents the value of the investment after x years?
A) d
B) b
C) a
D) c
- 11. The number of cells in a petri dish grows exponentially. If there are initially 50 cells and the number of cells doubles every 2 hours, which function represents the number of cells after x hours?
A) c
B) a
C) d
D) b
- 12. Which of the following is an exponential function?
A) b
B) a
C) d
D) c
- 13. Which of the following is an exponential inequality?
A) b
B) c
C) d
D) a
A) x = 4
B) x = 5
C) x = 2
D) x = 3
- 15. Mrs. Dela Cruz invested PhP 100,000 in a company that offers 6% interest compounded annually. How much will this investment be worth at the end of each year for the next 5 years?
A) 313,282.56
B) 133,822.56
C) 313,822.56
D) 133, 823.56
- 16. What is the natural exponential function?
A) d
B) c
C) a
D) b
- 17. Supposed that half-life of a certain radioactive substance is 10 days and there are 10g initially. Determine the amount of substance remaining after 30 days.
A) 1.25g
B) 10g
C) 5g
D) 2.5g
- 18. At time t=0, 500 bacteria are in petri dish, and this amount triples every 15 days. How many bacteria are in the dish after 20days?
A) 9360
B) 2163. 374
C) 500
D) 1040.0419
- 19. it is an equation containing a variable in a logarithmic expression.
A) logarithmic inequalities
B) logarithmic expression
C) logarithmic function
D) logarithmic equation
- 20. log4x= -1og(3x+5) is an example of
A) logarithmic expression
B) logarithmic function
C) logarithmic equation
D) logarithmic inequalities
A) logarithmic equation
B) logarithmic inequalities
C) logarithmic expression
D) logarithmic function
A) logarithmic function
B) logarithmic equation
C) logarithmic inequalities
D) logarithmic expression
- 26. it is the amount paid or earned for the use of money.
A) interest
B) compound interest
C) rate
D) maturity value or future value
- 27. it is the person (or institution) who owes the money or avails of the funds from the lender.
A) debtor
B) interest
C) creditor
D) principal
- 28. it is the amount of money borrowed or invested on the origin date.
A) rate
B) interest
C) principal
D) compound interest
- 29. How much is interest is charged when PhP50,000 is borrowed for 9 months at an annual simple interest rate of 10%?
A) PhP3,570
B) PhP4,750
C) PhP4,470
D) PhP3,750
- 30. When invested at an annual interest rate of 7%, the amount earned PhP11,200 of simple interest in two years. How much money was originally invested?
A) PhP90,000
B) PhP70,000
C) PhP80,000
D) PhP60,000
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