Answer:
0.01, 0.2, 0.5, and 0.42
Step-by-step explanation:
this is correct
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1573928-839=15070738
Answer: 12.57
k=0
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
