Transformations

Question 1

what happens if there is a negative on the INSIDE of a function
f(x+/- c)

Answer 1

it moves the graph left and right
- move right
+ moves left

Question 2

what happens if there’s a +/- on the outside?

Answer 2

the function moves up and down

Question 3

what function means a reflection over the y-axis

Answer 3

f(-x)

negative on inside means reflect over the y axis

Question 4

what function is a reflection over the x-axis

Answer 4

-f(x)

negative on outside, reflects over x-axis

Question 5

whats the rules for a horizontal shrink and stretch

Answer 5

Horizontal

f(x/c)

Question 6

whats the rules for a vertical shrink and stretch

Answer 6

cf(x)

when the number is on the oustide of f

Question 7

how do you know when to use the reciprocal rule?

Answer 7

when the given function looks like x is being multiplied on the inside
f(2x)= f( x over 1/2)

Question 8

whats the reciprocal rule

Answer 8

divide by a fraction= multiply by its reciprocal