Shannon is putting a fence around the garden, except where there is a gate that is 3 feet wide. one foot of the fence costs $43. the cost of the gate is $128. write an expression that represents the total cost of the fence and the gate. explain how you determined your expression.

The expression would be 43x + 128

Step-by-step explanation:

43 dollars is multiplied by however many feet is used.  Then, the exception(the gate) is added to the charge that is 43x

d. corresponding side lengths in similar triangles are proportional in length.

step-by-step explanation:

b. f(x) = –√x + 3this is the correct answer