18x

Simple as that. 18 times however many times she cuts the grass

**Answer:**

21

**Step-by-step explanation:**

3x3x3=27

27-6=21

Given the function . The above function can be written as

a)Now, the function has minimum value since the coefficient of is .

b) The minimum value of the function occurs at and its value is

c)The minimum value of the function occurs at .

**Answer:**

see explanation

**Step-by-step explanation:**

Given the polynomial

The rational zeros are all the possible factors of dived by all the possible factors of . Therefore we use the **rational rots theorem** to find all possible rational zeros.

To find all zeros we use the** remainder theorem**. Thus, we plug in all the rational zeros to determine which ones evaluate to zero. These are the real zeros. We could also use long division to find the remaining zeros as soon as we got the first zero with the remainder theorem.

**Answer:**

<h2>The slope m = 2</h2>

**Step-by-step explanation:**

The formula of a slope:

We have the points (3, -4) and (7, 4). Substitute: