Seudónimo Seudónimo
  • 02-08-2017
  • Mathematics
contestada

Find the x and y intercepts

Find the x and y intercepts class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 02-08-2017
f(x) x^2  -  9
g(x) = 1/3 f(x)

y intercept:

f(x) = x^2 - 9
x = 0, y = - 9

g(x) = 1/ 3 f(x)  = 1/3(x^2 - 9) = 1/3x^2 - 3
x = 0, y = -3

so y intercept : 
f(x): -9
g(x) = -3

x intercept when y = 0
x^2 - 9 = 0
x^2 = 9
x =+3 and x = -3

g(x) = 1/3x^2 - 3 = 0
1/3x^2 = 3
x^2 = 3(3)
x^2 = 9
x = -3 and x = + 3
so g(x) also has x intercepts: -3 and 3

answer is A. first one.

f(x) x intercepts: -3 and 3
f(x): y intercept : -9
g(x) x intercepts: -3 and 3
g(x) y intercept :  -3
Answer Link

Otras preguntas

how many liters of 15.0 molar naoh stock solution will be needed to make 20.0 liters of a 1.2 molar naoh solution? show the work used to solve this problem.
Why did Phoenicians developed a currency?HELP ASAP
das zimmer von silvia ist nicht so gros,aber........zimmer hat einen balkon.
Drip irrigation can reduce the amount of water used on a farm. True False
Sonar equipment sends sound waves into deep water and measures a. the time delay of the returning echoes. b. only the direction of the reflected wave. c. int
Definition of pediophobia
jorge has just earned $1,000. he would like to invest the money in the stock market. what should he do?
Que general fue presidente de mexico de 1920 a 1924
an artisan is creating a circular street mural for an art festival. the mural is going to be 50 feet wide. find the area of the mural to the nearest square foot
who signed the declaration of independence?