Evaluate the given function.f(x) = 4x, f(-3)
A. 
B. - 
C. 
D. 12
Answer: C
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Find an equation for the sphere with the given center and radius.Center (-1, 0, 0), radius = 1
A. x2 + y2 + z2 + 2x = 1 B. x2 + y2 + z2 - 2x = 1 C. x2 + y2 + z2 - 2x = 0 D. x2 + y2 + z2 + 2x = 0
Write the equation of a sine function that has the given characteristics.Amplitude: 2Period: ?Phase Shift: 
A. y = 2 sin (2x - 3)
B. y = sin (2x + 3)
C. y = 2 sin 
D. y = 2 sin 
Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. dependent B. solution C. consistent D. substitution
Determine whether the three points are the vertices of a right triangle.(5, 8), (11, 10), (15, -2)
A. Yes B. No