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12345 [234]
3 years ago
14

50 pts help! Function g is transformation of function f. What is the equation of function g?

Mathematics
1 answer:
pav-90 [236]3 years ago
6 0

Answer:

The transformations are a reflection across the x-axis and a vertical stretch by a factor of 3. This means that g(x)= −3f(x)

Transformations of Graphs

Many graphs can be formed from a known graph using graph transformations. Some of the most common transformations are below.  

• −f(x) is the graph of f(x),but reflected across the y axis.  

• f(−x)is the graph of f(x), but reflected across the x axis.  

• cf(x) is the graph of f(x), stretched vertically by a factor of c, if c>1or compressed vertically by a factor of c, if 0<c<1.

• cf(x) is the graph of f(x), compressed horizontally by a factor of 1c, if c>1 or stretched horizontally by a factor of 1c, if 0<c<1.

•  The graph of f(x)±c is the graph of f(x) shifted vertically up (for +) or down (for -) c units.  

• The graph of f(x±c) is the graph of f(x) shifted horizontally left (for +) or right (for -) c units.

Step-by-step explanation:

First, when examining the graphs of f and g notice that the graphs appear to be reflections of each other - but not quite perfectly. The graph of f goes up from left to right while the graph of g goes down from left to right. So there is a reflection across the x-axis.  

However, there is also some stretching that is occurring. The graph of both functions contains the point (1,0), but comparing some other points, the graph of f has (0,−1) while the graph of g has the point (0,3). With just a reflection, the graph of g would have (0,1), so it appears to be a vertical stretch by a factor of 3. Checking another point to confirm, the graph of f has a point near (−6,−2). A reflection across the x-axis would result in (−6,2) and a stretch by a factor of 3 would then make the point (−6,6), which matches the graph of g.

So, the transformations are a reflection across the x-axis and a vertical stretch by a factor of 3. This means that g(x)=−3f(x)g(x)=−3f(x)

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3 0
3 years ago
Lucia finds that (3x^2+3x+5) + (7x^2-9x+8) = 10x^2-12x+13. What error did Lucia make?
son4ous [18]
The answer 
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taking off the paranthesis
adding the term with a similar degree
summing constant terms

 (3x^2+3x+5) + (7x^2-9x+8) = 

  = 3x^2+3x+5 +  7x^2-9x+8
  
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the answer is 
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4 0
3 years ago
Please help me out I need it soon
Kisachek [45]

Answer:

\frac{3}{5} =  z+\frac{1}{5}

Step-by-step explanation:

AS we can see in the figure that a beam or a rod is balanced by a square on right side

while on the left side we have a smaller square and a triangle

Suppose the values written inside it are the weights of the shapes which are making it stable

So

Total on RHS = Total on LHS

Now Total on RHS = Value of bigger square

                               = \frac{3}{5}

Total on LHS = Value of smaller sqaure + Value of triangle

                       = \frac{1}{5}+z

Now we know to make this image a balanced one as shown n the figure

Total on RHS = Total on LHS

putting values gives us

\frac{3}{5} =  \frac{1}{5}+z

which is the required equation


4 0
3 years ago
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