Write the quadratic function in the form y = a(x - h)2 + k.f(x) = 3x2 - 4x
A. f(x) = 3
2 - 
B. f(x) = 3
2 - 
C. f(x) = 3
2 + 
D. f(x) = 3
2 + 
Answer: A
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Solve.Martha can rake the leaves in her yard in 4 hours. Her younger brother can do the job in 5 hours. How long will it take them to do the job if they work together?
A. 20 hr
B. 
hr
C. 5 hr
D. 
hr
Determine if the given set of whole numbers is closed under multiplication.{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, . . . } (that is, the whole numbers except for 12)
A. Not closed B. Closed
A series resonant circuit has Vin = 9.0 V, Q = 6, and fr = 150 KHz. Find BW and VO at f1.
a. BW = 25.0 KHz, VO = 6.4 V b. BW = 20.8 KHz, VO = 9.0 V c. BW = 29.2 KHz, VO = 9.0 V d. BW = 230 KHz, VO = 6.4 V e. BW = 277 KHz, VO = 4.5 V
Solve the triangle.b = 2, c = 4, ? = 80°
A. a = 4.15, ? = 71.7°, ? = 28.3° B. a = 4.15, ? = 28.3°, ? = 71.7° C. a = 3.15, ? = 71.7°, ? = 28.3° D. a = 5.15, ? = 28.3°, ? = 71.7°