Answer:
D. sometimes less than zero and sometimes greater than zero.
Step-by-step explanation:
The income elasticity of demand is the responsiveness of the increase in the consumers income versus the quantity of goods and services demanded in an economy. we have five types of income elasticity of demand which are namely high elasticity, unitary elasticity, low elasticity and negative elasticity.
in high elasticity of demand when income rises then we see a much bigger increase in the quantity of goods and services demanded therefore positive coefficient.
The unitary elasticity of demand is when the income increases at the same rate the quantity of goods and services demanded rises therefore a coefficient is constant.
the low elasticity of demand is when income increases at a lower rate than the increase in the quantity demanded. positive but low coefficient.
The negative elasticity of demand is when an income increases and the quantity decreases therefore a negative coefficient is seen.
Answer:
They are inverse functions
Step-by-step explanation:
A property of inverse functions is that if 
We can plug in x = 3

That means that, supposing they are inverse functions, g(7) should equal 3

It checks out
Another way to see if two functions are inverse is to swap the x and y of one of the functions.
ex. 
Since, after the swap, the functions are equal, we know it is an inverse function
Answer:
A) 22
B)125
C)55
Step-by-step explanation:
Linear pair=180
2x+11+6x-7=180
8x+11-7=180
8x+4=180
8x=176
x=22
Answer:
the right answer is option B)4
I think the answer to this problem would be C. 2x+8