Find the range of the quadratic function.f(x) = 2x2 + 2x - 5
A. (-?, - 
]
B. [- 
, ?)
C. (-?, - 
]
D. [- 
, ?)
Answer: D
Mathematics
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Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?ADE adjacent angles?
A. Yes B. No
Mathematics
Solve the right triangle.A = 79° 32', c = 264 m , C = 90°Round side lengths to two decimal places, if necessary.
A. B = 10° 28', a = 259.81 m, b = 54.96 m B. B = 10° 32', a = 260.81 m, b = 40.96 m C. B = 11° 18', a = 259.81 m, b = 47.96 m D. B = 10° 28', a = 259.61 m, b = 47.96 m
Mathematics
Evaluate.x + y ÷ z, for x = 
, y = 6, and z = 
A. 14
B. 39
C. 15
D. 10
Mathematics
Find the term indicated in the expansion.(x + 2y)10; 7th term
A. 13,440x6y4 B. 6720x6y4 C. 13,440x4y6 D. 6720x4y7
Mathematics