SAT1 The cost for coal from a certain company is $15 for the first pound plus $6 for each additional pound of coal.Which of the following functions gives the total pound of coal C(P),in dollars,for p pounds of coal?答案是C(p)=6p.但我做的确是
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![SAT1 The cost for coal from a certain company is $15 for the first pound plus $6 for each additional pound of coal.Which of the following functions gives the total pound of coal C(P),in dollars,for p pounds of coal?答案是C(p)=6p.但我做的确是](/uploads/image/z/3931056-0-6.jpg?t=SAT1+The+cost+for+coal+from+a+certain+company+is+%2415+for+the+first+pound+plus+%246+for+each+additional+pound+of+coal.Which+of+the+following+functions+gives+the+total+pound+of+coal+C%28P%29%2Cin+dollars%2Cfor+p+pounds+of+coal%3F%E7%AD%94%E6%A1%88%E6%98%AFC%28p%29%3D6p.%E4%BD%86%E6%88%91%E5%81%9A%E7%9A%84%E7%A1%AE%E6%98%AF)
SAT1 The cost for coal from a certain company is $15 for the first pound plus $6 for each additional pound of coal.Which of the following functions gives the total pound of coal C(P),in dollars,for p pounds of coal?答案是C(p)=6p.但我做的确是
SAT1
The cost for coal from a certain company is $15 for the first pound plus $6 for each additional pound of coal.Which of the following functions gives the total pound of coal C(P),in dollars,for p pounds of coal?答案是C(p)=6p.但我做的确是C(p)=6p+9,麻烦告诉我错哪里了,
SAT1 The cost for coal from a certain company is $15 for the first pound plus $6 for each additional pound of coal.Which of the following functions gives the total pound of coal C(P),in dollars,for p pounds of coal?答案是C(p)=6p.但我做的确是
if P is bigger than 1,C=21P-6
if P is 1,C=15
i think the answer is not right,hope it helps