Select all statements below which are true for all invertible × matrices and A. =AB=BA

B. 4A is invertible

C. (A+B)^2=A^2+B^2+2AB

D. A+B is invertible

E. (A+A−1)^9=A^9+A^−9

F. (I−A)(I+A)=I−A^2

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:

you already gave the answer

step-by-step explanation:

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step-by-step explanation:

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3

step-by-step explanation: