Answer:
Step-by-step explanation:
Temperature in the room 
Decrease in the temperature(outdoors)
in 
.
Rate of decrease
(a) After 
But it is not possible as outdoor temperature is 
so after temperature decrease will not occur.
Hence after 
more minutes temperature=
(b) Let after 
temperature is 
Here 
Answer: Question 1 :B,D.
Question 2:option B,
Question 3:Degree=5.
Question 4:option D.
Question 5: option c.
Step-by-step explanation:
1) A polynomial can not have any exponent as a variable or a fraction.
Options B and D are polynomials.
2) The polynomial is having 3 terms and is of degree 3.so it is a cubic trinomial Option B.
3) Degree is the highest power of the variables in the terms .The term 
has the power=3+2=5
So degree =5.
4)
Option D
5)
Simplifying like terms,
=
Option c.
The required value of the given inverse function f⁻¹(22) will be 7.
<h3>What is an inverse function?</h3>
The inverse function is defined as a function obtained by reversing the given function.
Given that f(7) = 22
To determine the value of the given inverse function f⁻¹(22)
An inverse function's main objective is to show the value that occurs in a specific function value. Which means :
If we have f(x) and f⁻¹(x), then
if f(a) = b then f⁻¹(b) = a
As per the given question, we have
⇒ f(7) = 22 then f⁻¹(22) = 7
Therefore, the required value of the given inverse function f⁻¹(22) will be 7.
Learn more about inverse functions here:
brainly.com/question/2541698
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F(x) = (x − 1)(x − 2)(x − 3)
