英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the
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![英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the](/uploads/image/z/348361-25-1.jpg?t=%E8%8B%B1%E6%96%87%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E8%AF%B7%E5%B0%86%E6%AF%8F%E4%B8%80%E6%AD%A5%E7%94%A8%E8%8B%B1%E6%96%87%E8%A7%A3%E9%87%8A%E6%B8%85%E6%A5%9Athe+total+cost+to+use+an+in-flight+phone+on+one+airline+includes+a+%243.99+connection+fee+plues+%243.99+per+minute+.a%2Cwrite+a+function+rule+for+the+cost+of+a+call+using+an+in-flight+phone+.b%2Cfind+the)
英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the
英文的数学题,请将每一步用英文解释清楚
the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .
a,write a function rule for the cost of a call using an in-flight phone .
b,find the cost of a 10-minute in-flight call .
英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the
a,the cost of a call includes a 3.99dollar connection fee plues 3.99 dollar per minute,so the function rule for the cost of a call is y=3.99+3.99x (dollar) b.a 10-minute in-flight call cost y=3.99+3.99*10=43.89(dollar)