Answer:
x - 7/9 = f(x)^-1
Step-by-step explanation:
f(x) = 9x + 7
y - 7 = 9x
y - 7/9 = 9x/9
Interchange!
x - 7/9 = y
The ratio is 4:5
Divide both terms by 4
16/4 =4
20/4=5
Answer:
YOUR GETTING 400 POINTS
Step-by-step explanation:
Answer:
To calculate the radius of a circle by using the circumference, take the circumference of the circle and divide it by 2 times π.