applesareyummy applesareyummy

02-09-2016
Mathematics

contestada

f(x)= sqrt of 5x+7 and g(x)= the sqrt of 5x-7
find (f+g)(x)
OPTIONS:
A) sqrt 10x
B) x sqrt 10
C) sqrt of 5x+7+ sqrt of 5x-7
D) 5x

Respuesta :

dalendrk dalendrk

02-09-2016

f(x) = √(5x + 7)

g(x) = √(5x - 7)

(f + g)(x) = f(x) + g(x)

(f + g)(x) = √(5x + 7) + √(5x - 7)

Answer: C)

Answer Link

Otras preguntas

Amy raised £n for charity. Chris raised £18 more then any. The mean amount raised by the two of them is £45. Work out how much money each one of them raised

explain why the motion of a body which is moving with constant speed in a circular path is said to be accelerated ?

What's the other term for: explosive or changing very quickly

What's the other term for: lacking respect; scornful

if Xx8=y is the rule,and the value of x is 4, what is the value of y

round to the nearest hundredth 5.6192

If 2/5 of a number is added to 1/3 of the same number ,the sum is 22. What is the number?

If 2/5 of a number is added to 1/3 of the same number ,the sum is 22. What is the number?

explain why the motion of a body which is moving with constant speed in a circular path is said to be accelerated ?

How would you call in other words to scold or punish severely