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Find f(-5) if f(x) = |x + 1|.

4
5
6

Find f() if f(n) = 3n.

1/3
1
3

Find f(-11/5) if f(n) = 5n + 6.

-17
5
-5

Select the points that lie on the function h(x) = 3x 2.

(1, 3)
(1, 9)
(-1, -3)
(-1, 3)

The graph of the function B is shown below. Find B(1).

-1
1
2

If f(x) is a function and f(1) = 5, then which of the following could not be true?

f(1) = 1
f(2) = 1
f(5) = 5
 
 Jun 9, 2015

Best Answer 

 #1
avatar+128408 
+10

Find f(-5) if f(x) = |x + 1|

 

l -5 + 1  l   =   l -4 l  = 4

 

---------------------------------------------------------------------------------------------------------------------------

Find f(-11/5) if f(n) = 5n + 6

 

5(-11/5) + 6   =  (-11) + 6 =  - 5

 

--------------------------------------------------------------------------------------------------------------------------

Select the points that lie on the function h(x) = 3x 2......(1,3) and (-1, 3)

 

--------------------------------------------------------------------------------------------------------------------------

If f(x) is a function and f(1) = 5, then which of the following could not be true?

 

f(1) = 1......we can't have a single x value associated with two different y values.......this violates the "vertical line test"

 

Anonymous.......you will have to join the site to have your pictures posted.......thus...I can't answer the other two....they don't show up......

 

 

 Jun 9, 2015
 #1
avatar+128408 
+10
Best Answer

Find f(-5) if f(x) = |x + 1|

 

l -5 + 1  l   =   l -4 l  = 4

 

---------------------------------------------------------------------------------------------------------------------------

Find f(-11/5) if f(n) = 5n + 6

 

5(-11/5) + 6   =  (-11) + 6 =  - 5

 

--------------------------------------------------------------------------------------------------------------------------

Select the points that lie on the function h(x) = 3x 2......(1,3) and (-1, 3)

 

--------------------------------------------------------------------------------------------------------------------------

If f(x) is a function and f(1) = 5, then which of the following could not be true?

 

f(1) = 1......we can't have a single x value associated with two different y values.......this violates the "vertical line test"

 

Anonymous.......you will have to join the site to have your pictures posted.......thus...I can't answer the other two....they don't show up......

 

 

CPhill Jun 9, 2015

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