wjones wjones
  • 09-11-2016
  • Mathematics
contestada

F(x) = x+8 and g(x) x^2-6x-7 find f(g(2))

Respuesta :

julwal00
julwal00 julwal00
  • 13-11-2016
First find g(2) by plugging 2 in for every x value in the equation g(x)=x^2-6X-7
g(2)=(2)^2-6(2)-7
g(2)=4-12-7
g(2)=-15
Then, we can find f(g(2)) because we know g(2)=-15. So we're really looking for f(-15)
f(-15)=x+8
f(-15)=(-15)+8
f(-15)= -7

Hope this helps
Answer Link

Otras preguntas

name human body organs where magnetism is significant
Name the physical quantity which changes contenously during uniform-circular motion.
MATCH THE FUNCTION WITH ITS VALUE.g(x)= 2X2-1.g(w^3)=.......
PLEASE ANSWER THESE : Use a calculator to find the cube root of -250 correct to 2 decimal places.
How did the Tang people gain the Mandate of Heaven?
How will you show the presence of water vapour in air?
How will you show the presence of water vapour in air?
Find the least common denominator (LCD) for the fractions. 1/12 and 3/4                                   A. 12       B.
Find the least common denominator (LCD) for the fractions. 1/12 and 3/4                                   A. 12       B.
Robert's family _________ the fireworks from their front lawn.fill in the blank with the correct word.a.) watchesb.) watch