Use a graphing utility to graph the polar equation.r cos ? = 2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Mark works forty hours a week at a clothing store. His weekly salary is $220, plus he receives a 5% commission on sales over $1,000. Given the functions f (x) = 0.05x and g(x) = x – 1,000, which of two compositions, ( f o g)(x) or (g o f )(x), represents Mark's commission?
A. ( f o g)(x) B. (g o f )(x)
Mathematics
Solve the problem.How much longer is a stick insect measuring 7 cm than a fly which is 3.7 mm long? Give your answer in millimeters.
A. 696.3 mm B. 30 mm C. 3.3 mm D. 66.3 mm
Mathematics
Use logarithms to solve the equation. Round your answer to four decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify.
-3
A. - 
x-3
B. - 
x
C. 
x3
D. 
x
Mathematics