nahamaantoine51 nahamaantoine51

19-10-2020
Mathematics

contestada

true or false? y=x^2 - 1 defines y as a function of x

Respuesta :

ExcludedPenguin ExcludedPenguin

19-10-2020

Answer:

true

Step-by-step explanation:

it equals to

x1= -1

and

x2= 1

Answer Link

19-10-2020

Answer:

Step-by-step explanation:

y=x²-1 is not a function for every value of y , x has more than one value

ex: if x=-1 , y=(-1)²-1 then y=0

if x=1 then y=0

Answer Link

Otras preguntas

the chromatin becomes visible as chromosomes in which phase?

(40 POINTS) PLEASE help asap i need this done soon!

A primary difference between cyanobacteria and purple and green phototrophic bacteria is A) Energy source. B) Cell wall type. C) Electron donor for CO2 reductio

A student completes an assignment for class where he talks about why his school should change certain rules. His teacher says the essay is excellent and posts i

describe the motion of euglena

South Avenue Publishing produces self-help books. The company’s profit is the A.money the company earns after paying all of its production costs. B.paper, bindi

During the Civil War, African American military units A: were usually led by white officers. B: chose their own officers to lead them. C: formed in both the

What molecule has a single bond

The area of the rectangle in this drawing is 65.13 square meters. The width of the rectangle is 3.9 meters. What’s the length? What’s the perimeter? (The opposi

factor completely. x^2+5x+6