Find the sum.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find fx, fy, and fz.f(x, y, z) = x2y + y2z + xz2
A. fx = 2xy + z2; fy = x2 + yz; fz = y2 + xz B. fx = 2xy; fy = x2 + 2yz; fz = y2 + 2xz C. fx = 2xy + z2; fy = x2 + 2yz; fz = y2 + 2xz D. fx = 2y + z2; fy = x2 + 2z; fz = y2 + 2x
Mathematics
Write an equation to represent the problem.The difference of twice a number and 7 is 15.
A. 2x + 7 = 15 B. 2x - 7 = 15 C. 7 - 2x = 15 D. x - 2 ? 7 = 15
Mathematics
Verify that the values of the variables listed are solutions of the system of equations.
x = -2, y = 2
A. solution B. not a solution
Mathematics
Use the rule for exponents to simplify the following expression.
What will be an ideal response?
Mathematics