General Mathematics Departmental Test

In which of the following is 16=4x-2 classified?

• Exponential Expression

• Exponential Equation

• Exponential Function

• Exponential Inequality

What is true about exponential expression?

• It has an exponent.

• Its exponent is a variable.

• Its exponent is constant.

• Its exponent is an expression.

What is the value of x in 4𝑥+1=16?

• 0

• 1

• 2

• 4

What is the value of x in 27𝑥=9?

• 2/3

• 3/2

• 1/3

• 3

Which is not related to the word 'inverse'?

• undo

• opposite

• delete

• interchange

What is the mathematical symbol for inverse of 𝑓(𝑥)?

• 1𝑓(𝑥)

• 𝑓(𝑥)−1

• ′𝑓(𝑥)

• 𝑓−1(𝑥)

What is the inverse of 3x - 4?

• 3x + 4

• 4x - 3

• 𝑥+34

• 𝑥+43

Which is not involved in the process of finding the inverse of a function?

• Write the function in the form 𝑦 = 𝑓(𝑥).

• Interchange the x and y variables.

• Write in the function in the simplest form.

• Solve for y in terms of x.

In the exponential function 𝑓(𝑥)=𝑏𝑥, b is called as the ___________.

• base

• exponent

• dependent variable

• independent variable

What is the mathematical symbol for an inverse of a function?

• f-1(x)

• fx(-1)

• f-x(1)

• f1(-x)