Write an equation that expresses the relationship. Use k for the constant of proportionality.P varies directly as the square of R and inversely as the cube of S.
A. PR2S3 = k
B. P = 
C. P = 
D. P + R2 - S3 = k
Answer: C
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y(y - 1)
B. 
= ye-y; 
= - xye-y
C. 
= ye-y; 
= xe-y(1 - y)
D. 
= ye-y; 
= xe-y
Mathematics
Write the decimal number that has the specified place values.3 tens, 7 ten-thousands, 9 hundredths, 3 ones, 6 ten-thousandths
A. 7033.0906 B. 60,033.0907 C. 70,033.096 D. 70,033.0906
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Evaluate the expression. Write answer without exponents.20
A. -1 B. 0 C. 2 D. 1
Mathematics