Make f(x) = y
y = (15x + 50)/(x + 5)
Swap the x and y and make y the subject again
x = (15y + 50)/(y + 5)
x(y + 5) = 15y + 50
xy + 5x = 15y + 50
xy - 15y = 50 - 5x
y(x - 15) = 50 - 5x
y = (50 - 5x)/(x - 15)
So inverse function f^-1(x) = (50 - 5x)/(x - 15)
1130cm square
Area formula is pixr^2
Pi x 19^2 = 1134.1149...
Answer:
Bro don't play w me I'm chillin w the dinosaurs.
Step-by-step explanation:
Answer:


Step-by-step explanation:
Give

Apply FOIL Method

Add 70 on both sides

Factor

So our roots are
x=-2
x=-5