Question

how do you 7 B

Answer 1

dear for the number u would put the number instead of x in the equating . u should put number grater that 3 in 1/x and number smaller than 3 in 2x but for f(3t) u have to change domain to it means u will have this :
1/3t for t>1 and 6t for t<=1
i hope my answer will be helpful for u

Answer 2

yeah, thats what i had in mind too, but when i calculated it the answers came out wrong unless i missed calculated somewhere but your explanation made sense. thank you. i'll keep working on it.

Answer 3

i will help u if u need more

Answer 4

thank you. if i need more help when i review all over again i'll ask. again thank you i appreciate your help