Solve for the requested variable without determining the constant of variation, k. Use the fact that if 
and 
then 
so that 
Assuming that y varies directly as the square root of x, and y = 5 when x = 16, find y when x = 1.
A. y = 
B. y = 80
C. y = 
D. y = 20
Answer: A
You might also like to view...
Perform the following operation with real numbers.2 - 3
A. –5 B. 5 C. 1 D. –2 E. –1
Solve the problem.The solid lies between planes perpendicular to the x-axis at x = -2 and x = 2. The cross sections perpendicular to the x-axis are circles whose diameters stretch from the curve 
to the curve 
Find the volume of the solid.
A. 49?
B. 49?2
C. 
?2
D. 
?2
Write an inequality whose solution set is the interval.(-5, -3)
A. -5 ? x ? -3 B. -5 < x > -3 C. -5 < x < -3 D. -5 > x > -3
Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval, and indicate the x-values at which they occur.f(x) = 
; [-3, 1]
A. Absolute maximum = 0.9 at x = -3; absolute minimum = 0 at x = 0 B. Absolute maximum = 1 at x = -3; absolute minimum = -3 at x = 2 C. Absolute maximum = 0.5 at x = -3; absolute minimum = 0 at x = 0 D. Absolute maximum = 0.9 at x = 2; absolute minimum = -3 at x = 0