Find the partial derivative.f(x,y) = 3x2 - 15xy + 7y3. Find 
.
A. 6x - 15y
B. 6x - 15y + 21y2
C. -15x + 21y2
D. 6x2 - 15x
Answer: A
Mathematics
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Estimate the fraction as 0, 
, or 1.
A. 0
B. 1
C. 
Mathematics
Provide an appropriate response.If a student has scores on three tests of 82, 89 and 75, write an inequality that expresses the grade needed on the fourth test to have a final average of 80 or above and solve the inequality.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Tell whether the statement is true or false.Let A = {1, 2, 3, 4, 5, 6}, B = {3, 5, 7}, C = {1, 2, 4, 6}, D = {1, 6}, and 
{0, 2, 6} ? C
A. True B. False
Mathematics
Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
A. 0.1943803 B. 0.0174551 C. 1 D. 5.144554
Mathematics