NSAA NSAA Mathematics - Algebra and Functions 3

Question 1

Solve the inequality: 3x - 4 > 11

Accepted Answer

x > 5

Answer

x > 3

Answer

x < 5

Answer

x > 7

Question 2

What is the asymptote of f(x) = 1/(x - 3)?

Accepted Answer

x = 3

Answer

x = 1

Answer

x = -3

Answer

y = 3

Question 3

If 5^x = 125, what is x?

Accepted Answer

3

Answer

2

Answer

4

Answer

25

Question 4

A function is odd if f(-x) = -f(x). Which of the following is an odd function?

Accepted Answer

f(x) = x³

Answer

f(x) = x² + 1

Answer

f(x) = cos(x)

Answer

f(x) = |x|

Question 5

Simplify: (x² - 9)/(x - 3)

Accepted Answer

x + 3

Answer

x - 3

Answer

x² - 3

Answer

x² + 3

Question 6

The quadratic y = x² - 4x + 3 crosses the x-axis at which two points?

Accepted Answer

x = 1 and x = 3

Answer

x = -1 and x = -3

Answer

x = 2 and x = 3

Answer

x = 1 and x = 4