...-1,8......................................
Answer:

Step-by-step explanation:

Step 1) Replace y = f(x)

Step 2) Exchange x and y

Step 3) Solve for y

Subtracting both sides by -5


Dividing both sides by 2

Step 4) Replace 

Answer:
5 < a+k
Step-by-step explanation:
This should be it as you said write it out as an expression.
Answer:
Infinitely many.
Step-by-step explanation:
Answer:
<h3>The options A),B) and E) are correct</h3><h3>A) The given expression

is equivalent to

</h3><h3>B) The given expression

is equivalent to

</h3><h3>E) The given expression

is equivalent to

</h3>
Step-by-step explanation:
Given expression is 
<h3>To find the equivalent expressions to the given expression :</h3>
A) 
Solving the expression 



<h3>∴

</h3><h3>∴ The given expression

is equivalent to

</h3>
B) 
<h3>∴ The given expression

is equivalent to

</h3>
E) 
Solving it we get
∴ 
<h3>∴ The given expression

is equivalent to

</h3><h3> ∴ options A),B) and E) are correct</h3>