General Mathematics Post Test

General Mathematics Post Test

11th Grade

35 Qs

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General Mathematics Post Test

General Mathematics Post Test

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

JONELYN AYENTO

Used 2+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following relation represents a function?

{(2,1),(4,5),(6,5),(8,6)}

{(2,4),(2,−4),(4,8),(6,2)}

{(x,−1),(−x,−4),(x,−5),(−x,3)}

{(−1,2),(−2,−3),(6,7),(−2,8)}

Answer explanation

The relation {(2,1),(4,5),(6,5),(8,6)} represents a function because each input (first element) is unique, ensuring that each x-value maps to exactly one y-value.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following functions define the area of a square?

A = 3S, where s is the side of the square

A = S^2, where s is the side of the square

A = 2S, where s is the side of the square

A = S^3, where s is the side of the square

Answer explanation

The area of a square is calculated using the formula A = S^2, where S is the length of a side. This means you multiply the side length by itself, making option B the correct choice.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For Sunday’s basketball tournament, Ann ordered 5 cookies for each player and 10 sandwiches for the sponsors. This can be expressed by the function f(x) = 5x+10, where x is the number of players. Which is the independent quantity in this functional relationship?

the cookies ordered

the number of players

the sponsors of the game

the number of sandwiches

Answer explanation

In the function f(x) = 5x + 10, x represents the number of players, which is the independent quantity. The number of cookies and sandwiches depend on the number of players, making them dependent variables.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

−16

−8

3

1/2

Answer explanation

To evaluate h(x) = 8x^2 - 2x at x = -1/2, substitute -1/2 into the function: h(-1/2) = 8(-1/2)^2 - 2(-1/2) = 8(1/4) + 1 = 2 + 1 = 3. Thus, the correct answer is 3.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The following are notations for composite functions EXCEPT:

g(f(x))

p(h(x))

h(x)f(x)

(t∘s)(x)

Answer explanation

The expression h(x)f(x) represents the product of two functions, not a composite function. In contrast, g(f(x)), p(h(x)), and (t∘s)(x) all denote compositions of functions.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do you call an inequality involving rational expression?

Rational function

Rational equation

Rational inequality

Irrational expression

Answer explanation

An inequality involving rational expressions is specifically called a 'rational inequality'. This term distinguishes it from rational functions and equations, which do not involve inequalities.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The distance from Surigao City to Butuan City is around 123 kilometers. Which of the following expresses the speed (s) as a function of travel time (t)?

s(t) = 123/t

s(t) = t/123

t(s) = 123/s

t(s) = s/123

Answer explanation

The speed (s) is calculated as distance divided by time. Given the distance of 123 kilometers, the correct formula is s(t) = 123/t, where t is the travel time. Thus, the correct choice is s(t) = 123/t.

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