Wesley needs to buy dog food. The first pound of dog food costs $8 and each additional pound costs $3. The cost of the dog food is given by the linear function f(x) = 3x + 5. Which explicit rule is equivalent to this linear function?

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

first one because it can't have a fraction in it

step-by-step explanation:

its kinda hard to answer this when we dont have all the information that we need.

um is there supposed to be a picture?