sydbid123 sydbid123
  • 13-08-2017
  • Mathematics
contestada

What is the domain of the function y = x2 + 4x - 2 ?

a. All real numbers
b. x < 6
c. All negative numbers
d. y > 6

Respuesta :

kphung76127
kphung76127 kphung76127
  • 13-08-2017
The answer should be A, all real numbers.

This is a quadratic and all quadratic equations have a domain of all real numbers. We know this is a quadratic because it is written in y=ax^2+bx+c form where a is not 0.
Answer Link

Otras preguntas

Please help me!pelalsu
What is the phase change from liquid to gas
I have a few questions... 1. What were some fashion trends in the 1980's for men? 2. What were some social trends in the 1980's? 3. What were some entertainmen
Which is an example of a clearly stated claim
What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method.
if π/2 π and sin A = 4/5 , then tan A/2 =??
Identify the values of a, b, and c that would be used in the quadraticformula to solve the equation 3x2-5x + 5 = 0.A) a = 3, b = 5, c = 5B) a = 3, b = -5, c = 5
ANSWER FAST! Which lens can produce a virtual image and a real image? concave lens convex lens flat lens
Five added to 2 times a number is equal to 7 less than 4 times the number. What is the number? 3 –3 –6 6
Multiply: 4x^3/4x^2(2^3