Which of the following equations is of a parabola with a vertex at (1, -2)? y= (x - 1)2 - 2
y = (x - 1)2 + 2
y=(x + 1)2-2
y = (x + 1)2 + 2

i dont know

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: