Answer:
All real numbers
Step-by-step explanation:
The domain of the function represented by f(x) = x + 1 is the all real numbers as there is only addition involved in the function so putting any number as input will not lead the function to infinity.
Answer: 285.2 kg
Step-by-step explanation:
Given
The volume of helium in the balloon is 
The density of the helium is 
Mass of the helium gas is given by the product of density and volume

Thus, the mass of gas is 285.2 kg
Answer:
Step-by-step explanation:
Answer:
1. x + 4 = 9
Hint: the word 'sum' generally refers to addition.
2. 10<em>a</em> = 70
3.
= 15
4.
- 4 = 4
Answer: C. 6x^2 + 2y
Step-by-step explanation: