Solve.Find an equivalent expression for cos4 x in terms of function values of x, 2x, or 4x, raised only to the first power.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor.49x2 + 56x + 16
A. (7x + 4)(7x - 4) B. (7x + 4)2 C. (7x - 4)2 D. (49x + 1)(x + 16)
Mathematics
Write the quotient in standard form.
What will be an ideal response?
Mathematics
Provide an appropriate response.The series of sketches below starts with an equilateral triangle having sides of length 1 (one). In the following steps, equilateral triangles are constructed by joining the midpoints of the sides of the preceding triangle. Develop a formula for the length of the sides of the new triangle.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the vertex.f(x) = 2x2 - 20x + 47
A. (-3, 5) B. (-5, 3) C. (5, -3) D. (3, -5)
Mathematics