TSI Algebraic Reasoning and Functions 3

Question 1

A taxi charges $3 plus $2 per mile. Which equation gives the cost C for m miles?

Accepted Answer

C = 2m + 3

Answer

C = 3m + 2

Answer

C = 5m

Answer

C = 2m - 3

Question 2

Solve the system: y = x + 1 and y = 2x - 3.

Accepted Answer

(4, 5)

Answer

(2, 3)

Answer

(5, 4)

Answer

(3, 4)

Question 3

What is the value of x in 5/x = 10/8?

Accepted Answer

4

Answer

2

Answer

16

Answer

6.25

Question 4

Which expression represents 'seven less than twice a number n'?

Accepted Answer

2n - 7

Answer

7 - 2n

Answer

2(n - 7)

Answer

7n - 2

Question 5

Simplify: 3(2x + 4) - 2(x - 1).

Accepted Answer

4x + 14

Answer

4x + 10

Answer

8x + 14

Answer

4x + 11

Question 6

If 4x + 8 = 0, what is x?

Accepted Answer

-2

Answer

2

Answer

-8

Answer

8

Question 7

What is the domain restriction for f(x) = 1/(x - 5)?

Accepted Answer

x ≠ 5

Answer

x ≠ 0

Answer

x ≠ -5

Answer

x ≥ 5