Find the line of symmetry.f(x) = x2 - 14x + 49
A. x = 8
B. x = -7
C. x = 7
D. x = -8
Answer: C
Mathematics
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Graph the hyperbola. Give the coordinates of the center as well as the values of a and b.y2 - 9x2 = 81
A. center (0, 0), a = 9, b = 3
B. center (0, 0), a = 9, b = 3
C. center (0, 0), a = 3, b = 9
D. center (0, 0), a = 3, b = 9
Mathematics
Verify the identity.sec4 x - tan4 x = sec2 x + tan2 x
What will be an ideal response?
Mathematics
Solve the problem.A teacher wants to design a triangular banner for her classroom. How many square inches of felt will be needed for the banner if the height of the triangle is 60 inches and the base is 180 inches?
A. 10,800 in2 B. 5400 in2 C. 540 in2 D. 240 in2
Mathematics
Find the exact value of the following expression without using a calculator.cos (60°)
A. 
B. 
C. 
D. 
Mathematics