Find an equation of variation if the following conditions exist.Suppose p varies directly as q and p = 1 when q = 
.
A. p = 2q
B. p = 
q
C. p = 4q
D. p = 3q
Answer: D
Mathematics
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Determine whether the relation is a function. Give the domain and range.{(7, -9), (-3, 0), (3, 7), (-1, -3)}
A. function; domain: {-3, -1, 3, 7}; range: {-9, -3, 0, 7} B. not a function; domain: {-3, -1, 3}; range: {-9, -3, 0, 7}
Mathematics
Solve the problem.Ellen wishes to mix candy worth $1.80 per pound with candy worth $2.40 per pound to form 48 pounds of a mixture worth $2.00 per pound. How many pounds of the more expensive candy should she use?
A. 16 pounds B. 22 pounds C. 32 pounds D. 28 pounds
Mathematics
Find the rectangular equation of the given polar equation.r sin ? = 10
A. x = 10 B. y = 10x C. x = 10y D. y = 10
Mathematics
Find the length of the curve.The curve r = 3
, 0 ? ? ? 
A. 
(? + 2)
B. 2?
C. 
?
D. 3(? + ln(? + 
))
Mathematics