Answer:
Option C is correct
Step-by-step explanation:
<h3>Hope it is helpful...</h3>
<h3>
Answer: -76 (choice C)</h3>
Explanation:
We're applying the dot product.
u dot v = 3*(-4) + (-8)*8
u dot v = -12 - 64
u dot v = -76
The idea is that we multiply the x coordinates together, and the y coordinates together separately. Afterward you add the products. The result of any dot product is a scalar value, aka a single number.
The dot product is useful in many applications. One of which is to determine if two vectors are orthogonal.
The answer is
the key word here was at least, which means the farmer wants to make the equal or more than $500. Since the corn cost $2 and its selling per pound, depending on how many pound of corn (c) and the blueberries per pound (b) which are $4, leading to the first part of the inequality.