Evaluate the given function.f(x) = 4x, f(-3)

A.
B. - 
C.
D. 12


Answer: C

Mathematics

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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

Mathematics

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 

Mathematics

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

Mathematics

Determine whether the three points are the vertices of a right triangle.(5, 8), (11, 10), (15, -2)

A. Yes B. No

Mathematics