For [7], [8], [9], [10] use:
and
When done, press submit. Then, come back and check your answers.
If you finish before time is up work on DeltaMath.
Look at the work below. Who is correct?
Chris
Tobias
neither
Which is the best explaination?
They should have substituted f into g (not g into f).
Tobias distributed wrong
Chris didn't substitute g into every x
They both squared wrong.
Solve \sqrt{x+10}=3
Solve: \sqrt{2x-5}=3
Solve: \sqrt{2x+41}-7=2
Solve: \sqrt{8x+97}-15=-8
Find m^{-1}(x)
What is the domain of [10]?
Find
if
For questions [15] - [20], evaluate each using:
Find g^{-1}(x)
Find h^{-1}(x)