Find the product. Write the answer in standard form.(8 - 9i)(4 - 2i)
A. 18i2 - 52i + 32
B. 14 + 52i
C. 14 - 52i
D. 50 - 20i
Answer: C
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Solve the equation symbolically.
- 
= 3
A. 3, 8 B. -2 C. 2, 38 D. 2
Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.f(x) = (x + 7)2, -? < x ? 0
A. local and absolute maximum: 49 at x = 0; local and absolute minimum: 0 at x = -7 B. no local extrema; no absolute extrema C. local and absolute minimum: 0 at x = -7 D. local maximum: 49 at x = 0; local and absolute absolute minimum: 0 at x = -7
Describe the curve represented by the equation. Identify the type of curve and its center (or vertex if it is a parabola).
+ 
= 1
A. Ellipse, (-2, -3) B. Hyperbola, (-2, -3) C. Parabola, (-2, -3) D. Hyperbola, (-3, -2)
Find the perimeter of the shaded triangle.
A. 30
yd
B. 60
yd
C. 26
yd
D. 27
yd