Answer:
1) 4
2)I think 2
3)4
4)3
5)2
6)1
7)3
Step-by-step explanation:
1) since the x is to squared it is a quadratic equation
3) A and D have same slope=0.5
others were solved using Excel
If f(x)=69-15x then 
Given :

Lets find out
. The steps to find out f inverse are
Replace f(x) by y

Now we find 
Replace inverse function in the place of x in f(x)

Learn more :
brainly.com/question/11242094
The correct answer is <span>C:Greater hours worked, fewer hours spent talking on the phone.
</span>
Answer:
C.
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
f(x)=x^2+1
now,
f(1)=1^2+1
=1+1
=2