Question

Which of the following does the function
`y=-4cos(3x)-9` not have?

a) horizontal translation
b)vertical translation
c)horizontal compression
d)reflection

Answer 1

horizontal translation ( this would require an x - k or x+k type of a factor)

Explanation:

It DOES have :

vertical due to the -9

horizontal compression due to the 3x

reflection due to the -4