Respuesta :
A) f(2) = 14
The cost for 2 gallons of heating oil is $14
C) f(3) = 18
The cost for 3 gallons of heating oil is $18
A) f(5) = 26
The cost for 5 gallons of heating oil is $26
Answer:
[tex]C)\: f(5) = 26[/tex]
[tex]B)\: f(3) = 18[/tex]
[tex]A)\: f(2) = 14[/tex]
Step-by-step explanation:
[tex]C)\: 4[5] + 6 = 20 + 6 = 26[/tex]
[tex]B)\: 4[3] + 6 = 12 + 6 = 18[/tex]
[tex]A)\: 4[2] + 6 = 8 + 6 = 14[/tex]
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