Provide an appropriate response.The number of critical points of f(x, y) = x3 + 3xy2 + 3y2 - 15x + 2 is
A. 0.
B. 1.
C. 2.
D. 3.
E. 4.
Answer: E
Mathematics
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Perform the indicated operations.(x - 5)(-4x - 10)
A. -4x2 + 10x + 50 B. -4x2 + 50x + 10 C. -4x2 + 8x + 50 D. -4x2 + 10x + 10
Mathematics
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.The speed of light is 1.86 × 105 miles per hour.
A. 18,600,000 B. 1,860,000 C. 0.0000186 D. 186,000
Mathematics
Determine whether the line through each pair of points is perpendicular. ? A(3, 9), B(7, 4) and C(-4, -13), D(1, -8) ?
A. not perpendicular B. perpendicular
Mathematics
Solve the equation.-4.7c = -32.9
A. c = -28.2 B. c = 2.0 C. c = 28.2 D. c = 7.0
Mathematics