Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 52 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = 
+ 20
C. f-1(x) = x - 20
D. f-1(x) = 
- 20
Answer: D
Mathematics
You might also like to view...
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola 
to the parabola 
.
A. 441 B. 147 C. 864 D. 882
Mathematics
Find the angle.cos-1 
A. 
B. 
C. 
D. 
Mathematics
Factor out the greatest common factor.5x2 + 40x
A. 5x2(x + 8) B. 5x(x + 40) C. 5x(x + 8) D. x(5x + 40)
Mathematics
Solve.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 1 lb C. 2 lb D. 3 lb
Mathematics