Answer:
Step-by-step explanation:
at least means it can be 57 or higher
The answer is D, I think so
it's a sooooooo it's the first one
The c intercept is 42
The t intercepts are: 6, -1 and 7
Given
Solving (a): The c intercept
Simply set t to 0
Solving (b): The t intercept
Simply set c(t) to 0
Split
Solve for t