Perform the operation and write the result in the standard form.(-4 - 5i) - (6 - i)
A. -10 - 4i
B. -10 + 4i
C. -10 - 5i
D. 10 + 4i
Answer: A
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Factor completely. If the polynomial cannot be factored, say it is prime.8x2 - 28x - 16
A. 4(2x - 1)(x + 4) B. (8x - 4)(x + 4) C. 4(2x + 1)(x - 4) D. prime
Given the values of f and g, find the function value.f(12) = 7; g(12) = 5Find (f - g)(12).
A. 6 B. 2 C. -10 D. 12
Find the domain of the variable in the equation. Write the answer in interval notation. =
A. (-2, 4) ? (4, ?) B. (-?, 2) ? (2, 4) ? (4, ?) C. (-?, -2) ? (-2, 4) ? (4, ?) D. (-?, -2) ? (4, ?)
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
y = sin (x) ? cos (x); [0, 2? ]