Since the mix ingredient is 1 carrot cake, Jenny is going to need 6 mixed spices for 6 carrot cakes.
You would subtract 8 from both sides making it Z is greater than 4
1. 7(2c-5d)-3(d-2c)
2. 14c-35d-3d+6c (DISTRIBUTE)
3. Answer: 20c-38d (PUT TOGETHER LIKE TERMS AND SOLVE)
We have a parabola.
As it is concave down, we have one maximum and no minimum.
We can identify the maximum at point (-2, 4).
Answer: (-2,4)
