Find an equation of the line through the pair of points. Write the equation in the form Ax + By = C.(-7, 0) and (-3, 7)
A. -7x - 10y = -91
B. 7x - 4y = -49
C. 7x + 10y = -91
D. -7x - 4y = -49
Answer: B
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Solve the problem.The matrix 
rotates a point 45° clockwise about the origin, and the matrix 
rotates a point 30° counterclockwise about the origin. Use these matrices, as needed, to find the coordinates of the new location of the point 
when it is rotated 15° counterclockwise about the origin.
A. 
B. 
C. 
D. 
Determine whether f is continuous at c.f(x) = 6x4 - 9x3 + x - 2;c = 0
A. not continuous B. continuous
Find a function P(x) defined by a polynomial of degree 3 with real coefficients that satisfies the given conditions.Zeros of -6 and 1 - i, P(0) = 12
A. P(x) = x3 + 
x2 - 4x + 6
B. P(x) = x3 + 4x2 - 10x + 12
C. P(x) = x3 + 4x2 - 10x
D. P(x) = x3 + 4x2 + 10x + 12
Solve the problem.Let f(x) =- x2 + 4x. Find all values x for which f(x) = -21.
A. -7, 3
B. 
, 
C. 7, -3
D. 4, 0