Answer:
Look at the picture
Step-by-step explanation:
y = x^2 + 4 replace x and y
x = y^2 + 4 subtract 4 from both sides
x - 4 = y^2 sqaure root both sides
So if f(-3), then x = -3.
Substitute.
y = -(-3)^2 + 6
= -(9) + 6
= -3
Hope it helped
Answer:

Step-by-step explanation:
Let

Full time rates-$275, Part-time rates-$140
The problem can be expressed as:

Express eqtn1 in terms of f,
Substitute f value in eqtn 2.

Therefore, jeds has 17 fulltime and 9 parttime employees.
9x/18 = 14 I’m not sure if I’m right but I think it’s that