REVIEW IN GENMATH

Which of the given situations illustrates an exponential function?

• As x increases, the value of y increases.

• The area of a square is s2 where s is the length of the side of a square.

• The distance travelled varies directly as the speed.

• Radioactive material has a half-life of 1500 years.

Which of the following statements is/are true?

• log₃3 is equal to zero

• log x - log y is equal to log xy

• log 10 is equal to zero

How is 144 = 12^x classified?

• Exponential function

• Exponential inequality

• Exponential equation

• none of these

• Exponential growth

• Compound interest

• Exponential decay

• Simple interest

Which of the following is a real-life application of exponential function?

• Exponential growth

• Compound interest

• Exponential decay

• All of the above

• 3log_b x - (log_b y + log_b z)

• log_b x³ - (log_b y + log_b z)

• 3log_b x - log_b yz

• 3log_b x + log_b y + log_b z

• increasing positive real numbers

• decreasing positive real numbers

• decreasing real numbers

• increasing real numbers

• doubles

• triples

• half

• multiplies

• logarithmic function

• logarithmic equation

• logarithmic inequality

• none of these

The principal in the formula I = Prt is ___________________.

• the amount of money borrowed or deposited

• the amount taxed

• the percent interest for his year

• the amount the bank owes you for being their customer