Answer:
c= -1.8
Step-by-step explanation:
A function is continuous at a point x if the limits at x from above and below coincide (are equal). Hence,
Limit from above: 
Limit from below: 
And so when these limits are equal we obtain

Answer: the equation is
y=-2/7x +52/7 and the slope is -2/7
Step-by-step explanation:
STEP - BY - STEP EXPLANATION
What to find?
An expression for the total number of books.
Given:
Number of shelves = 5
Number of books in each shelf = k
If Lucy has a bookcase with 5 shelves and each of this
shelf has k books, then the total number of books can be determine by multiplying the numbers of book by the numbers of shelves.
That is;

ANSWER
5K
Congruent........................