Answer:
Step-by-step explanation:
x+y = 175
y = 175 - x
f(x) = (x+3)(y+4)
= x(175-x) + 3(175-x) + 4x + 12
= 175x - x² + 525 - 3x + 4x + 12
= -x² +176x + 537
f'(x) = -2x + 176
maximum when x = 88
y = 175-x = 87
Answer:
Step-by-step explanation:
Answer:
We need some form of question other then Determine the value of X.... or equation
Number 7 is a because line m crosses at 2 on the y axis and number 8 is a because it goes up by one half each time