Answer:
x = 
Step-by-step explanation:
given
cos(x -
) = - 1, then
x -
=
(- 1) = π
Add
to both sides, hence
x = π +
= 
Answer:
What are the choices?
Step-by-step explanation:
Answer:
<h2>D.
</h2><h2>{x | x = all real numbers}</h2>
Step-by-step explanation:
The domain of a function is the set of input or argument values for which the function is real and defined.
The function has no undefined points nor domain constraints. Therefore, the domain is


Answer:
x=0.064
Step-by-step explanation:
subtract 7.5 from both sides of the= sign.
1.2x=.5 +9x
subtract 9x from both sides
1.2x=.5
divide both sides by 1.2
x=0.064
^ means to the power of with nothing after it, it's miss-used. Solving without the ^ symbol it is -2xy with the ^ symbol it's irrational and cannot be solved.