Logarithmic and Square Root Graphs - Quiz 3    Question

Question 1

Which of the following graphs represents  

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, this is 

Your answer is correct.

This is 

Not correct. Choice (c) is false.

Try again, this is  

Not correct. Choice (d) is false.

Try again, this is 
Remember   = 0.

Question 2

Which of the following graphs represents  

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, this is  

Not correct. Choice (b) is false.

Try again, this is  

Not correct. Choice (c) is false.

Try again, this  

Your answer is correct.

This is  

Question 3

What is the value of     at  

a)				b)
c)				d)		is undefined.

 

Not correct. Choice (a) is false.

Try again, remember  

Not correct. Choice (b) is false.

Try again, remember  

Your answer is correct.

Since     we have  

Not correct. Choice (d) is false.

Try again, remember  

Question 4

What is the value of    at 

a)				b)
c)				d)		The function is undefined at

 

Your answer is correct.

Since 

Not correct. Choice (b) is false.

Try again, watch the negative signs.

Not correct. Choice (c) is false.

Try again, you have omitted the square root.

Not correct. Choice (d) is false.

The domain of this function is since we cannot take the
square root of a negative number. Hence the function is defined at 

Question 5

Consider the graph below.


Which function is best described by this graph?

a)				b)
c)				d)

 

Your answer is correct.

This is the right shape for and it passes through 
so it is    and this is the only choice of this type.

Not correct. Choice (b) is false.

Try again, this is the wrong shape for 

Not correct. Choice (c) is false.

Try again,    in this function.

Not correct. Choice (d) is false.

Try again, the function does not pass through