Customers can pick their own apples at the happy apple farm. they pay $6 to enter the farm and $3.50 per pound for the apples they pick. write an equation to model the total cost, y, for x pounds of apples

Y = 3.5x + 6

Shows the 6 inital fee plus the 3.50 for each pound

Agreed with the answer above:

The total cost Y

Y=

With an initial 6 dollars that must be added to whatever is bought

Y=__x+6

And lastly it’s 3.50 PER POUND and we don’t know how many pounds are bought so it must be multiplied by 3.50 because if x= say 2, then 3.50 times 2 would be the correcf expression which is why the final term should be
3.50x or 3.50(x) or 3.50•x any works well which leaves your final equation to be

y = 3.50x + 6

The first answer is correct