Identify the following as a proper fraction, improper fraction, or a mixed number.
A. improper fraction
B. proper fraction
C. mixed number
Answer: B
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Determine whether the equation represents y as a function of x.x - 7y = 7
A. function B. not a function
Graph the equation by plotting points. Use values of ? that are multiples of 30°.r = 2 cos ?
A. 
B. 
C. 
D. 
The demand function for a certain make of exercise bicycle sold exclusively through cable television is 
, where p is the unit price in hundreds of dollars and x is the quantity demanded/week.
?
Compute the elasticity of demand and determine the range of prices corresponding to inelastic, unitary, and elastic demand.
?
A. 
; for 
demand is inelastic;
for 
demand is unitary;
for 
demand is elastic
B. ?
; for 
demand is inelastic;
for 
demand is unitary;
for 
demand is elastic?
C. ?
; for 
demand is inelastic;for 
demand is unitary;
for 
demand is elastic?
D. ?
; for 
demand is inelastic;for 
demand is unitary;
for 
demand is elastic?
Find the derivative of the function.y = log |-5x|
A. 
B. - 
C. - 
D. 