Find the limit.
sec2 x - tan2 y + z
A. 2
B. 7
C. 8
D. 1
Answer: C
Mathematics
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Evaluate the absolute value.|2|
A. 4 B. 0 C. 2 D. -2
Mathematics
Determine if the complex number belongs to the Mandelbrot set.z = -1.1i
A. Yes B. No
Mathematics
Solve.On an architect's blueprint, 1 inch corresponds to 4 feet. Find the length of a wall represented by a line 
inches long on the blueprint. Round to the nearest tenth if necessary.
A. 17.5 feet B. 8.4 feet C. 118.8 feet D. 19 feet
Mathematics
Find the real solutions of the equation.
= 6
A. {
}
B. {
}
C. {
}
D. no real solution
Mathematics