Value of the CD after 3 months is given by 300(1 + 0.03 / 4) = 300(1 + 0.0075) = 300 x 1.0075 = $302.25.
Therefore, interest for 3 months = $302.25 - $300 = $2.25

The range of

is

for


for

The domain of any quadratic function is all real numbers.
In

,

, so the range is

So it's D.
$5 per hour is the constant rate because 10/2 is 5, 20/4 is 5 etc.
Is this a question or a comment? Sorry I'm confuse...