f(x, y) = 4x + 7y - 6
substitute x=5 and y=-5
f(5,-5) = 4(5) + 7(-5) - 6
f(5,-5) =20-35-6
= -15-6
=-21
In this exercise we will use the knowledge of equation of the line plus the knowledge of logarithm, like this:

First, we have the following values informed, such as:
Knowing that the formula for the equation of the line is given by:

The logarithm form will be:

See more about logarithm at brainly.com/question/7302008
Answer:
idk wii
Step-by-step explanation:
Answer: 12 cups of salad blend are in the resulting mixture
Explanation:
Since we have given that
4 cups of a salad blend contains 40% spinach
Using mixture allegation method, we get that
8 cups of a salad blend contains 55% spinach as shown in the figure below.
Now, we need to find the number of cups of salad in the resulting mixture,

Hence, 12 cups of salad blend are in the resulting mixture .
Answer: 1 + 8i
Step-by-step explanation:
-4i, 4i, and -8i all have their variable in common, therefore -4i + 4i = 0 and 0 + 8i = 8i
6 + -3 - 2 = 1