Which series of transformations takes the graph of f(x)=3x−8 to the graph of g(x)=−3x+12 ?

a.) reflect the graph about the y-axis and translate 4 units down

b.) reflect the graph about the y-axis and translate 4 units up

c.) reflect the graph about the x-axis and translate 4 units down

d.) reflect the graph about the x-axis and translate 4 units up

D.) reflect the graph about the x-axis and translate 4 units up

Explanation:

Before to identify the correct choice, let's see the definition of reflection along the x-axis and the y-axis:

1- A reflection of about the x-axis can be done by changing into . This means that if we have a line in the form

a reflection about the x-axis can be done by changing the function into

2- A reflection of about the y-axis can be done by changing into . This means that if we have a line in the form

a reflection about the x-axis can be done by replacing all the x with -x:

Back to our exercise:

The original function is . The final function is . First of all, we immediately notice that both the signs of m and q have been changed: therefore, it must be a reflection about the x-axis, so we can discard option B.

The reflection of f(x) about the x-axis is

We see that the y-intercept is +8, while in g(x) the y-intercept is +12. In order to match the two functions, we must translate f'(x) up by 4 units, so that we get

which corresponds to g(x). So, the correct option is D.

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in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation: