The domain of u(x) is the set of all real values except 0 and the domain of v(x) is the set of all real values except 2 what are
the restrictions on the domain of (vºv)(x)?
u(x) = 0 and v(x) + 2
oxo and x cannot be any value for which u(x) - 2
x 2 and x cannot be any value for which v(x) = 0
u(x) 2 and v(x) < 0

it would be:

c.parallelogram.

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

other answer is correct. i had used the radius of the radius somehow. a website:

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