Combine the complex numbers.(10 + 3i) - (5 + 8i) + (9 + 7i)
A. 14 + 2i
B. -4 - 12i
C. -4 + 2i
D. 14 + 18i
Answer: A
Mathematics
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Find the y-intercepts and any x-intercepts.y = x2 + 4x + 8
A. y-intercept (0, 8), no x-intercepts B. no y-intercept, no x-intercept C. y-intercept (0, 8), x-intercept (-4, 0) D. y-intercept (0, 8), x-intercept (2, 0)
Mathematics
Factor the expression completely.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Determine the domain and range of the function.f(x) = x2 - 16x + 74
A. Domain: (-?, ?) Range: [8, ?) B. Domain: (-?, ?) Range: [10, ?) C. Domain: [8, ?) Range: [10, ?) D. Domain: (-?, ?) Range: (-?, 8]
Mathematics
Solve the problem.David's net pay for a week at the video store was $58.92. If he worked 12 hours that week, what was his net pay rate?
A. $4.79/hour B. $5.36/hour C. $5.04/hour D. $4.91/hour
Mathematics