Answer:
Yes the function is continuous.
Step-by-step explanation:
Given
and 
For a function to be continuous we should have

Thus

Similarly we have

thus we can see that

Hence the function is continuous.
A (1 1/4, -3/4)
answer is B. second choice
Answer:

Step-by-step explanation:
Given

Required
Determine the intercept
The intercept is at point: 
So, we have:



So, the intercept is at point 
<em>None of the options is true</em>
Answer:
2nd option
Step-by-step explanation:
r + 1 = 23 ( subtract 1 from both sides )
r = 22 ( multiply both sides by 3 to clear the fraction )
r = 66 ( divide both sides by
)
r =
×
( rationalising the denominator )
r =
= 33