Find the vertex and axis of symmetry of the graph of the function.f(x) = 
x2 - x + 5
A. vertex: (-2, 8); x = 8
B. vertex: (-2, 8); x = -2
C. vertex: (2, 4); x = 2
D. vertex: (2, 4); x = 4
Answer: C
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A bandpass amplifier has a mid-range gain of 40 dB and fCO = 10 KHz. Find VO when f = 100 KHz and Vin = 300 mV.
a. 30.0 V b. 17.9 V c. 15.0 V d. 3.0 V e. 1.3 V
Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin 
sin ?
B. 2 sin 
cos ?
C. 2 cos(7?) sin ?
D. 2 sin(7?)
Find the axis of symmetry of: -4x²+8x-3
What will be an ideal response?
Solve the problem by estimating.The following table shows the number of Mega-Box stores in selected states. Estimate the total number of Mega-Box stores in these states by rounding each value to the nearest ten. 
A. 221 stores B. 220 stores C. 200 stores D. 230 stores