Answer:
k=0
Step-by-step explanation:
R(x)=kx-2x²
R(1/4)=k(1/4)-2(1/4)²=k/4-1/8
R(-1/4)=k(-1/4)-2(-1/4)²=-k/4-1/8
R(1/4)=R(-1/4)
k/4-1/8=-k/4-1/8
k/4+k/4=1/8-1/8
2k/4=0
2k=0
k=0
It is B.Scale factor=New length/old length=8/2=4
Answer: replace 8 for x now you have
30-3/4(8) =
30 -6 = 24
his profit was $24
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
look at the picure for step by step explanation