Functions And Transformations

Question 1

What is the equation for the discriminant?

Answer 1

b^2 - 4ac

Question 2

Y=af(x)

Answer 2

Stretch vertically scale factor a

Question 3

Y=f(x+a)

Answer 3

Shifted left by a units

Question 4

Y=f(ax)

Answer 4

Squashed horizontally by scale factor a

Question 5

Y=f(x)+ a

Answer 5

Shifted up by a

Question 6

Y=-f(x)

Answer 6

Reflection in x axis

Question 7

Y=f(-x)

Answer 7

Reflection in y axis

Question 8

What kind of function can have an inverse?

Answer 8

One to one functions