" 3/4 cups " is equal to exactly three fourths of one cup, or 0.75 cup .
Step-by-step explanation:
Given
The function is 
for
, we will check the values of
and 
Take 3 and 4

Similarly,

Thus, 
Also,
is 1 i.e. a constant value. So, the function is increasing linearly for the given interval.
D. 147 square units is your answer