Alg 1. 2024 Review 1 for the Final Exam 2nd Semester

Mathematical Equivalence

ON

For the function:

h(x) = (x + 6) (3x - 4),

what is h(2)?

Mathematical Equivalence

ON

The function d(t) represents the distance of a car, in miles, covered by a car at t minutes.

What does d(9) = 5 mean in this situation?

• The car has always been 5 miles for 9 minutes.

• The car travels 5 miles in 9 minutes

• The car travels 9 miles in 5 minutes

• The car has been 9 miles for 5 minutes.

The function C(x) , in $, represents the total cost of x number of items.

What does C(11) = 65 represents in this situation?

• The 11th item costs $65.

• The total cost is $65 for 11 items.

• The total cost is $11 for 65 items.

• The 65th item costs $11.

The diagram represents f(x), trajectory of a motion in x, y plane.

Select ALL the correct answers

• f(40) = -20

• f(0) = f(30)

• f(10) = 20

• f(0) > f(50)

  (> means greater than)

• f(10) < f(40)

  (< means less than)

The diagram represents two functions f(x) and g(x) representing the rental cost for two different companies.

Select ALL the correct statements.

• f(3) = g(3)

• f(1) < g(1)

• f(2) = g(2)

• f(0) > g(0)

Given functions f(x) and g(x) in the diagram

At how many point(s) does f(x) have the same value as g(x) ?

• 3

• 2

• 1

• 0

The function given is g(x)

What is the domain? (a)  

What is the range? ​ ​ (b)  

• -5 ≤ x ≤ 5

• -4 ≤ x ≤ 4
• -4 ≤ g(x) ≤ 4

• -5 ≤ g(x) ≤ 5