Graph the equation.y = x2 + 4
A. 
B. 
C. 
D. 
Answer: A
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Perform the indicated operation and write your answer in standard form.(7 - 7i)(3 - 7i)
A. 49i2 - 70i + 21 B. -28 - 70i C. -28 + 70i D. 70 + 28i
Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = -671, saddle point; f(5, 6) = 0, saddle point; f(5, -6) = 0, saddle point; f(-5, 6) = 0, saddle point; f(-5, -6) = 0, saddle point B. f(0, 6) = 625, local maximum; f(0, -6) = 625, local maximum; f(5, 0) = -1296, local minimum; f(-5, 0) = -1296, local minimum C. f(0, 0) = -671, saddle point; f(0, 6) = 625, local maximum; f(5, 0) = -1296, local minimum D. f(0, 0) = -671, saddle point; f(0, 6) = 625, local maximum; f(0, -6) = 625, local maximum; f(5, 0) = -1296, local minimum; f(5, 6) = 0, saddle point; f(5, -6) = 0, saddle point; f(-5, 0) = -1296, local minimum; f(-5, 6) = 0, saddle point; f(-5, -6) = 0, saddle point
Multiply.(x - 2)(-2x + 4)
A. -2x2 - 8x + 8 B. -2x2 + 8x + 8 C. -2x2 + 8x - 8 D. -2x2 + 6x - 8
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9