Answer:
D.
Step-by-step explanation:
Hi there! You’re correct.
Twice the difference of nine and a number squared would look like

I hope this helped! :)
Answer:
b) 
Step-by-step explanation:
b) To find the inverse function, switch the
and
variables and solve for
:

Verify Answer:

Two -2x and 2x cancel out since there opposites
As well as y
Then your answer should be 0=-1
Answer:
m<DCF = 155°
Step-by-step explanation:
m<DCF = m<D + m<E
m<DCF = 72° + 83°
m<DCF = 155°
Perpendicular to y=-3
perpendicular means meeting at a right angle so the line youre looking for will be x=?
it passes through (-8,-3) so the equation of the line is simply x=-8