Accuplacer College Placement ACCUPLACER Advanced Algebra and Functions Test 2

Question 1

Solve the system: 2x + y = 7 and x − y = 2.

Accepted Answer

x = 3, y = 1

Answer

x = 2, y = 3

Answer

x = 4, y = −1

Answer

x = 1, y = 5

Question 2

What is the domain of f(x) = 1/(x − 4)?

Accepted Answer

x ≠ 4

Answer

All real numbers

Answer

x > 4

Answer

x ≠ −4

Question 3

Which equation represents exponential decay?

Accepted Answer

y = 3(0.8)ˣ

Answer

y = 2(1.5)ˣ

Answer

y = 5 + 2x

Answer

y = x²

Question 4

What is the remainder when x³ − 2x + 4 is divided by (x − 1)?

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 5

Simplify: √(75)

Accepted Answer

5√3

Answer

15√3

Answer

3√5

Answer

5√15

Question 6

What is the amplitude of y = 4sin(2x)?

Accepted Answer

4

Answer

2

Answer

8

Answer

π