Exponential Functions Quiz

The price of a car depreciates at 8% every year. a) How much will a car with an initial cost of Ᵽ560 ,000 be after 3 years? b) How many years will a buyer wait for him to buy the car at half of its original price?

• Php 435 600.28 and 9 years

• Php 436 065.28 and 8 years

• Php 438 065.26 and 7 years

• Php 434 065.29 and 8 years

The half-life of a radioactive substance is one hundred ninety-four days. How many days will it take for eighty percent of the substance to decay?

• 365 days

• 356 days

• 358 days

• 362 days

Tags

CCSS.HSF.LE.A.4

It is an expression of the form (a)(b^x) + d, where b>0, b≠1.

• Exponential Equation

• Exponential Expression

• Exponential Function

• Exponential Inequality

Which among the following is an exponential function?

• 2^(x+1)

• y = 2^(x+1)

• 2^(x+1) > 2^2

• 2^(x+1) = 2^2

Which of the following shows an exponential equation?

• 2^(x+1)

• y = 2^(x+1)

• 2^(x+1) > 2^2

• 2^(x+1) = 2^2

Given an exponential equation 3^(x+1) = 3^4. What is the value of x?

• 1

• 2

• 3

• 4

Solve 9^(x+1) = 27.

• -1/2

• 1/2

• -1

• 1

Solve for 2^(5-x) = 16.

• -9

• -1

• 1

• 9

What is the base of the given exponential inequality (1/10)^x < (1/10)^(x+4)?

• 1/100

• 0

• 10

• 100

Solve for x: 10^x > 1000x+2.

• x<-3

• x>3

• x<-6

• x>6