C I guess sorry if I get you a low score
Answer:
16.33 feet
Step-by-step explanation:
17.5 / 11.25 = x / 10.5
x = 17.5 * 10.5 / 11.25 = 16.33
Answer:
-4
Step-by-step explanation:
- y = 3(x+5)²-4
- y= 3(x²+10x+25)-4
- y= 3x²+30x+75-4
- y= 3x²+30x+71
Derivate the function
solve the equation y'= 0
- y'= 6x+30
- 6x+30= 0
- 6x= -30
- x = -5
The extrme value of y is reached in -5
y = 3(-5+5)²-4= -4
Its a rectangle cut the corners
Answer: 5 ft 3 in I believe.