Determine whether the given equation is an identity.
= 
+ 4
A. Yes
B. No
Answer: B
Mathematics
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Determine the number of figures (of any size) in the design.Squares (of any size)
A. 18 B. 13 C. 17 D. 12
Mathematics
Solve the equation exactly in the complex number system.x3 + 4x2 - 2x - 8 = 0
A. x = -
, x = ±
B. x = -
, x = ±2
C. x = -4, x = ±
D. x = -4, x = ±2
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = x3 - 3x + 3
A. Yes B. No
Mathematics
Find the center and foci of the hyperbola.
A. center: (-5, 8), foci: (-11, 8), (1, 8) B. center: (-5, 8), foci: (-5, 2), (-5, 14) C. center: (-8, 5), foci: (-8, -1), (-8, 11) D. center: (8, -5), foci: (2, -5), (14, -5) E. center: (5, -8), foci: (5, -14), (5, -2)
Mathematics