Use a graphing calculator to find the range of the function.y = 
A. All real numbers except y < -1
B. All real numbers except y > -1
C. All real numbers except y = -1
D. All real numbers
Answer: D
Mathematics
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Find the slope of the curve at the indicated point.y= x2 + 9x, x = 7
A. m = 23 B. m = 16 C. m = 112 D. m = 14
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Find the LCM.60, 40, and 50
A. 120 B. 300 C. 600 D. 200
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Find all real solutions. Do not use a calculator.x4 - 6x2 + 8 = 0
A. {4, 2}
B. {4, ±
}
C. {±2, ±
}
D. {2, 
}
Mathematics