Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 8x + 7
A. (4, 9); x = 4
B. (-4, -9); x = -4
C. (4, -9); x = 4
D. (-4, 9); x = -4
Answer: B
Mathematics
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- 12
A. 
B. 19
C. 
D. 172
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A. 72 B. 90 C. 81 D. 18
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Expand the expression using the Binomial Theorem.(5x + 3)4
A. 625x4 + 1,500x3 + 1,350x2 + 540x + 81 B. 625x3 + 1,500x2 + 1,350x + 540 C. 1,875x4 + 4,500 x3 + 1,350x2 + 1,620x + 81 D. (25x2 + 15x + 9)4
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Choose the graph which matches the function.y = 3 cos 2x - 3 cos 3x
A. 
B. 
C. 
D. 
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