Decide whether the equation defines y as a function of x.y = x2 - 9
A. function
B. not a function
Answer: A
Mathematics
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Find the area of the region specified in polar coordinates.The region inside both 
and 
A. 16(? - 2) B. 8(? - 1) C. 8(? - 2) D. 16(? - 1)
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Simplify.360 - 33? 24 ÷ (4?3 - 2?2)
A. 999 B. 279 C. 662 D. 302
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Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 2xy - 8y2
A. (x - y)(x + 2y) B. (x + 4y)(x - 2y) C. (x - 4y)(x + y) D. (x - 4y)(x + 2y)
Mathematics
Match the function with its graph.
A)B)
C)D)
A. 1A, 2C, 3D, 4B B. 1A, 2D, 3C, 4B C. 1A, 2B, 3C, 4D D. 1B, 2D, 3C, 4A
Mathematics