General Mathematics Reviewer (Part 1)

What is the value of x in the equation 4^x−1=16?

• 3

• 16

• 8

• 1

Which of the following is the graph of the exponential function f(x)=2^x?

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Which of the following is an example of a one-to-one function?

• True or False questions to answers

• SIM cards to cell phone number

• Learners to teachers

• Books to authors

Find the domain of the function f(x)=log(x)?

• (−∞,+∞)

• (0,+∞)

• (−∞,0)

• (−1,1)

Which of the following is NOT a proposition?

• Ferdinand Magellan did not arrive the Philippines in 1521.

• Smile at your seatmate.

• Jose Rizal is our national hero.

• If an integer is even, then its square is also even.

State the converse of the conditional: p→q: “If Jose is in Grade 11, then she is a senior high school student.”

• ∼q→∼p: “ If Jose is not a senior high school student, then she is not in Grade 11.”

• q→p: “ If Jose is a senior high school student, then she is in Grade 11.”

• ∼p→∼q: “ If Jose is not a senior high school student, then she is not in Grade 11.”

• p→q: “ If Jose is a senior high school student, then she is in Grade 11.”

An argument in which the premises are true but the conclusion is false is called _________.

• Fallacy

• Proposition

• Tautology

• Valid Argument

Which of the following arguments is valid?

• I and III

• I, II, and III

• II only

• II and III

Joshua currently lives in Surigao City, but he begins a new job in Butuan City. Every Monday, he drives his new car 123 kilometers from his residence to the office and spends the week in a company apartment. He drives back home every Friday. After 4 weeks of this routinary activity, his car’s odometer shows that he has travelled 1134 kilometers since he bought the car. Write a linear model which gives the distance y covered by the car as a function of x number of weeks since he used the car.

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If 𝑓(𝑥) = 𝑥 + 8, evaluate f (2).

• 4

• 6

• 10

• 16