Log In

Question about Function: Injective and Surjective

Mathematics

Originais Teachy

Function: Injective and Surjective

Medium

(Originais Teachy 2023) - Question Medium of Mathematics

Consider the function f: R -> R defined by f(x) = x^2 - 2x + 2. Determine if the function f is injective and/or surjective. If so, justify your answer and determine the codomain and the image of the function. Otherwise, explain why the function does not have the desired property(ies), and suggest a modification to the function so that it satisfies at least one of the properties.

Answer sheet:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices.
Emoji eyes

Answer sheet

You need to be a registered teacher to view the answer sheet

Emoji eyes
Iara Tip

IARA TIP

Are you putting together a test or exercise list?

On Teachy’s platform, you can automatically generate these materials without spending hours searching for questions 😉

Those who viewed this question also liked...
Question icon

Question

Difficulty Medium

Source:

Is external icon

UEMG

In a school presentation, eight friends, including Carlos, Timóteo, and Joana, line up. Calculate the number of different ways this line of friends can be formed so that Carlos, Timóteo, and Joana always stay together:

Combinatorial Analysis: Simple Permutation

Question icon

Question

Difficulty Easy

Source:

Is external icon

Teachy

Imagine you have 432 candies and want to separate them into containers of 100, 10, and individual units to facilitate counting. How would you make this separation? Explain your answer by showing how the number 432 can be decomposed into powers of 10.

Composition and Decomposition of Natural Numbers into Powers of 10

Question icon

Question

Difficulty Medium

Source:

Is external icon

Teachy

João is in a candy store and wants to buy a chocolate bar that costs R$3.50. He hands a R$10.00 bill to the cashier. What is the change amount that João should receive? Select the correct alternative.

Value Equivalence: Discount and Exchange

Question icon

Question

Difficulty Medium

Source:

Is external icon

Teachy

In a renovation, an architect decides to completely cover a right prism with a square base with ceramic tiles that are in the shape of squares. The prism is 3 meters high and the edge of the base measures 2 meters. The tiles are 20 cm on each side. The architect will need to calculate the amount of tiles to cover the entire surface of the prism. How many tiles will be needed to completely cover the prism?

Spatial Geometry: Surface Area of the Prism

Community img

Join a community of teachers directly on WhatsApp

Connect with other teachers, receive and share materials, tips, training, and much more!

Teachy logo

We reinvent teachers' lives with artificial intelligence

Instagram LogoLinkedIn LogoTwitter LogoYoutube Logo
BR flagUS flagES flagIN flagID flagPH flagVN flag
FR flagMY flagur flagja flagko flagde flagbn flag

2023 - All rights reserved

Terms of UsePrivacy NoticeCookies Notice