Answer:
(2,-17) should be the minimum.
Step-by-step explanation:
The minimum of a quadratic function occurs at
. If a is positive, the minimum value of the function is 
occurs at 
Find the value of 
x = 2
evaluate f(2).
replace the variable x with 2 in the expression.

simplify the result.



The final answer is -17
Use the x and y values to find where the minimum occurs.
HOPE THIS HELPS!
Answer:
42 degrees
Step-by-step explanation:
48 and r are equal.
The box means right angle, or 90 degrees
180-90-48=42 degrees
There is a 25% decrease because the decrease is 30, which is 25% of 120.