For something to be a function, each input (x value) can only have ONE output (y value)
If an input has multiple outputs, it is not a function.
so the last graph represents a function (parabola going down)
Answer:
24/6=4
48/6= 8
so x=8
Step-by-step explanation:
3(7v-5)-v(10v-9) = 21v - 15 -10v² + 9v = - 10v² + 30v - 15
Answer:
d:e is 2:3
Step-by-step explanation:
if 'e' is 150% more than 'd' we can say that 'e' is 1.5 and 'd' is 1
ratio of 1/1.5 or 1÷3/2 is 2/3
