Evaluate the polynomial or polynomial function for the given value of the variable.f(x) = -3x3 + 6x2 + 9x + 1, f(-1)
A. 1
B. 13
C. -13
D. 19
Answer: A
Mathematics
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Solve the problem.Find an equation for the level curve of the function f(x, y) = 
dt that passes through the point 
.
A. y2 - x2 = 24 B. y2 - x2 = 26 C. y2 - x2 = -24 D. y2 + x2 = 26
Mathematics
Write the standard form of the equation of the circle.Center (0, 0), r = 2
A. x2 + y2 = 2 B. (x - 2)2 + (y - 2)2 = 4 C. (x - 2)2 + (y - 2)2 = 2 D. x2 + y2 = 4
Mathematics
Write the fraction as a decimal. If necessary, round to the nearest thousandth.- 
A. -0.76 B. -0.84 C. -0.9 D. -0.64
Mathematics
For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.y = 4x2 - 2
A. 
B. 
C. 
D. 
Mathematics