Answer:
Step-by-step explanation:
we have
we know that
The zeros of the function are the values of x when the values of the function is equal to zero
In this problem the apparent zeros are
For
For
For
Answer:
I think the first one
Step-by-step explanation:
Answer:
Part a)
Part b) The expression that represent the cost of fencing the field is
Part c)
Step-by-step explanation:
<u>The complete question in the attached figure</u>
Part a) we know that
The perimeter of the rectangular field (excluding the width of the gate) is equal to
we have
substitute the given values
Part b) we know that
To find out the cost of fencing the field (excluding the gate) , multiply the perimeter by the cost of $28 per yard
so
Part c) we have
h=5
substitute the value of h in the expression of the cost