Answer:
80 questions
Step-by-step explanation:
100%/20%=5%
5×16=80
Therefore, there are 80 questions in the test.
Answer:
(4,2)
Step-by-step explanation:
Solving the system of equations means to find the dot where both the lines intersect. We know by the graph that the point where the both intersect is (4,2).
Please mark me as brainliest and I hope you do well on your assignment!
The answer would have to be 4
There is no question here to answer.

is continuous over its domain, all real

.
Meanwhile,

is defined for real

.
If

, then we have

as the domain of

.
We know that if

and

are continuous functions, then so is the composite function

.
Both

and

are continuous on their domains (excluding the endpoints in the case of

), which means

is continuous over

.