Aki's Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x) = 0.2x2 - 1.6x + 10.64, where C(x) is in
hundreds of dollars. How many bicycles should the shop build to minimize the
average cost per bicycle?
...
The shop should build
bicycles.

d. all of the above

step-by-step explanation:

the cost function, c(x), is the total cost of manufacturing x units of the product. how many units must the company produce and sell if they wish to make a b. if the company produces and sells 2000 units, would they obtain a profit or loss?

given expression is

we have radical  

we need to select an option that has same radical

(a)  

this expression has cube root instead of square root . so it is not a like radical.

(b)

y is included inside the radical. so it is not a like radical.

(c)

this expression has cube root instead of square root . so it is not a like radical.

(d)

5 is inside the radical square root. so it is   a like radical.