Math AA SL: Graph Transformations

#MAASL00167

[Maximum Mark: 6]

There exists a graph f(x) for x={0,2}
This image has an empty alt attribute; its file name is Screenshot_40.png
a) Sketch the reflection of this graph over, first, the y axis, and then the x axis.

b) There exists a graph g(x) which can be expressed as g(x)=a+f(bx)
This image has an empty alt attribute; its file name is Screenshot_41.png
Find the value of a and b
Detailed Answers/Video Explanations Answer
#MAASL00193

[Maximum Mark: 6]

Let f(x)=x^2 and g(x)=3(x-1)^2.

a) The graph of g can be obtained from the graph of f using two transformations.

Give a full geometric description of each of the two transformations.

b) The graph g is translated by the vector (_{4}^{1}) to give the graph of h

The point (2,4) on the graph of f is translated to the point P on the graph of h. 

Find the coordinates of P
Detailed Answers/Video Explanations Answer
#MAASL00194

[Maximum Mark: 6]

Let f(x)=x^2 and g(x)=2(x+2)^2.

a) The graph of g can be obtained from the graph of f using two transformations.

Give a full geometric description of each of the two transformations.

b) The graph g is translated by the vector (_{2}^{1}) to give the graph of h

The point (1,1) on the graph of f is translated to the point P on the graph of h. 

Find the coordinates of P
Detailed Answers/Video Explanations Answer
#MAASL00195

[Maximum Mark: 7]

Let f(x)=2lnx and g(x)=ln5x^2

a) Express g(x) in the form f(x)+lna

b) The graph of g is a transformation of f. Give a full geometric description of this transformation.
Detailed Answers/Video Explanations Answer
#MAASL00196

[Maximum Mark: 7]

Let f(x)=3lnx and g(x)=ln2x^3

a) Express g(x) in the form f(x)+lna

b) The graph of g is a transformation of f. Give a full geometric description of this transformation.
Detailed Answers/Video Explanations Answer
#MAASL00213

[Maximum Mark: 12]

Let f(x)=x^2-1 and g(x)=x-2. 

a) Find (f \circ g)(x).

b) The Vector (_{1}^{3}) translates the graph of (f \circ g) to the graph of h.

Find the coordinates of the vertex of the graph of h.

c) The vector (_{1}^{3}) translates the graph of (f \circ g) to the graph of h.

Show that h(x)=x^2-10x+25.

d) The vector (_{1}^{3}) translates the graph of (f \circ g) to the graph of h. 

The line y=2x-4 is a tangent to the graph of h at the point P. Find the x-coordinate of P.
Detailed Answers/Video Explanations Answer
#MAASL00221

[Maximum Mark: 9]

Let f(x)=x^2-4 and g(x)=x+4. 

a) Find (f \circ g)(x).

b) The Vector (_{4}^{2}) translates the graph of (f \circ g) to the graph of h.

Find the coordinates of the vertex of the graph of h.

c) The vector (_{4}^{2}) translates the graph of (f \circ g) to the graph of h.

Show that h(x)=x^2+4x+4.
Detailed Answers/Video Explanations Answer
#MAASL00222

[Maximum Mark: 6]

There exists a graph f(x) for x={0,4}

a) Sketch the reflection of this graph over, first, the y axis, and then the x axis.
This image has an empty alt attribute; its file name is Screenshot-2021-03-23-191238.png
b) There exists a graph g(x) which can be expressed as g(x)=a+f(bx)
This image has an empty alt attribute; its file name is Screenshot-2021-03-23-190922.png
Find the value of a and b
Detailed Answers/Video Explanations Answer
#MAASL00223

[Maximum Mark: 6]

Consider this function: f(x)=2x^{2}. The graph of f is translated 2 units to the left and 3 units up. The graph of the function h(x) is the result of this transformation.

a) What are the coordinates for the vertex of graph h?

b) Express h(x) in the form h(x)=2(x-r)+s

c) The graph of q is the reflection of graph f about the x-axis. What is the vertex of q(x)?
Detailed Answers/Video Explanations Answer
#MAASL00224

[Maximum Mark: 6]

Consider this function: f(x)=3x^{2}. The graph of f is translated 4 units to the right and 2 units down. The graph of the function h(x) is the result of this transformation.

a) What are the coordinates for the vertex of graph h?

b) Express h(x) in the form h(x)=3(x-r)+s

c) The graph of q is the reflection of graph f about the x-axis. What is the vertex of q(x)?
Detailed Answers/Video Explanations Answer

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