Find all numbers for which the rational expression is not defined.
A. a = 0
B. None
C. a = -7
D. a = 7
Answer: D
Mathematics
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In using Simpson's rule, the number of subintervals n may be chosen to be even. ?
A. true B. false
Mathematics
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -2x2 + 6x - 5
A. D: (x ? 1.5), R: (y ? -5) B. D: (x ? 1.5), R: all real numbers C. D: all real numbers; R: (y ? -0.5) D. D: all real numbers; R: (y ? -0.5)
Mathematics
Simplify the algebraic expression.-12x7 + 4x7
A. -8x7 B. -8x49 C. -8x14 D. -9x7
Mathematics
Find the standard form of the equation for the ellipse satisfying the given conditions. Foci (±4, 0); vertex (5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics