No it’s not proportional. If you had a coefficient in front of the a it could have been proportional. But the addition or subtraction of a quantity leads it to be nonproportional
Answer:
$25
Step-by-step explanation:
Multiply $20 by 0.25 (which is 25% as a decimal)
$20 x 0.25 = $5
Add $5 to $20 which makes the answer $25
It's not a function because 4 and 1 has 2 images in y so there's no range but the domain = {4,1,0}
Answer:
C
Step-by-step explanation:
So this is transformations
So this seems like it was rotated 180 degrees then dilated by a scale factor
The rule for 180 degrees is (-x,-y)
The rule for dilations is (2x,2y)
So the answer should be
C. (-2x,-2y)
Have a nice day
Answer:
see explanation
Step-by-step explanation:
Using the rules of exponents
×
⇔ 
= 
⇔ 
Thus

=
× 
=
× 
=
× 
=
← as required