Helpmeme

Answer

a) 3 to 8 b) 1 to 9 c) 8 to 6 (4 to 3 if simplified) d) 2/5

Step-by-step explanation:

These are all similar questions. You need to find the Greatest common divisor or factor that are composite integers multiplying to said fraction; in most simpler terms. Take a the GCF is 7, 21 is a multiple of 7 3x  exponentiating it then 56 8x. If you need further links I have apps and links that can explain it.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

the answers are in the images, i received 100% on this assignment. hope this !