Answer:
6k +19
Step-by-step explanation:
7k-k+19
Combine like terms
7k-k = 6k
The expression becomes 6k +19
She is starting at 4000, so that is the y-intercept of the graph. She is descending at 40 feet per minute, so her rate of change or slope is -40. The graph would look like this:
Answer:

Step-by-step explanation:
Assuming the equation is:

Then taking antilogarithms gives:

We simplify on the left to get:

This gives us:

We subtract 3125 from both sides to get:



X = nine. Seventy five / 9.75!