Verify the identity.sin 4x = 2 sin 2x cos 2x
What will be an ideal response?
sin 4x = sin [2(2x)] = 2 sin 2x cos 2x.
Mathematics
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Provide an appropriate response.Consider the quartic function f(x) = ax4 + bx3 + cx2 + dx + e, a ? 0. Must this function have at least one critical point? Give reasons for your answer. (Hint: Must 
for some x?) How many local extreme values can f have?
What will be an ideal response?
Mathematics
Use the figure to answer the question.Marriage Licenses Issued (Each circle represents 20,000 licenses)
How many more licenses are issued in June than in July?
A. 40,000 B. 70,000 C. 30,000 D. 50,000
Mathematics
Graph the equation.2x - 3y + 5 = 0
A. 
B. 
C. 
D. 
Mathematics
Combine like terms.5.5x - 1.6y - 3.1x + 3y + 2.5x
A. 4.9x + 1.4y B. 4.9x + 4.6y C. 11.1x + 1.4y D. 4.9x - 1.6y + 3
Mathematics