Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(-4 + 9i) - 2
A. -2 + 9i
B. -2 - 9i
C. 6 - 9i
D. -6 + 9i
Answer: D
Mathematics
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Give two parametric representations for the equation of the parabola.y = (x + 3)2 - 10
A. x = t, y = (t - 3)2 - 10 for t in (-?, ?); x = t + 3, y = t2 - 10 for t in (-?, ?) B. x = t, y = (t - 3)2 + 10 for t in (-?, ?); x = t - 3, y = t2 - 10 for t in (-?, ?) C. x = t, y = (t + 3)2 - 10 for t in (-?, ?); x = t - 3, y = t2 - 10 for t in (-?, ?) D. x = t, y = (t + 3)2 - 10 for t in (-?, ?); x = t + 3, y = t2 - 10 for t in (-?, ?)
Mathematics
Find the GCF.64a9b4, 88a5b9
A. 8a9b9 B. 704a9b9 C. 4a4b5 D. 8a5b4
Mathematics
Find the limit.
A. 0
B. 
C. 11
D. -9
Mathematics
Graph the function in the window [-4, 4, 1] by [0, 8, 1]. State whether it illustrates exponential growth or exponential decay.f(x) = e0.3x + 1
A. Decay B. Growth
Mathematics