Use the given zero to find all zeros of the function.f(x) = x3 + 5x2 - 12x + 14; zero: 1 + i
A. 1 - i, -7
B. -7, 7
C. 1 - i, 7
D. 1 - i, 7i
Answer: A
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Express the function in terms of its cofunction.tan 22°
A. cot 22° B. cot 68° C. cot 158° D. tan 112°
Using the graph of the hyperbola, determine the coordinates of the vertices and foci, and the equations of the asymptotes.
A. Vertices (0, ±2), foci (±
, 0), asymptotes y = x and y = -x
B. Vertices (±5, 0), foci (±
, 0), asymptotes y = 
x and y = - 
x
C. Vertices (±5, 0), foci (0, ±2), asymptotes y = x and y = -x
D. Vertices (±5, 0), foci (±
, 0), asymptotes y = 
x and y = - 
x
Solve the problem.If w = 7i + 3j, find 3w.
A. 21i + 9j B. 10i + 3j C. 10i + 6j D. 21i + 3j
Solve the problem.A student must choose 1 of 4 science electives, 1 of 6 social studies electives, and 1 of 5 language electives. How many possible course selections are there?
A. 240 B. 24 C. 15 D. 120