ALEKS Pre-Calculus and Functions 2

Question 1

If sin(θ) = 3/5 and θ is in the first quadrant, what is cos(θ)?

Accepted Answer

4/5

Answer

3/4

Answer

5/3

Answer

5/4

Question 2

What is the range of f(x) = x² - 1?

Accepted Answer

y ≥ -1

Answer

all real numbers

Answer

y ≥ 0

Answer

y ≤ -1

Question 3

What is the horizontal asymptote of y = 3/(x + 2)?

Accepted Answer

y = 0

Answer

y = 3

Answer

x = -2

Answer

y = 2

Question 4

Which is true about even functions?

Accepted Answer

f(-x) = f(x)

Answer

f(-x) = -f(x)

Answer

f(x) = f(2x)

Answer

f(0) = 0

Question 5

What is 30° in radians?

Accepted Answer

π/6

Answer

π/4

Answer

π/3

Answer

π/2

Question 6

Solve: log₃(x) = 4

Accepted Answer

x = 81

Answer

x = 12

Answer

x = 64

Answer

x = 34