Determine if each ordered pair is a solution to the given system of inequalities in two variables.x2 = y2 + 39x - y = 3(i) (8, -5); (ii) (-8, -5)
A. (i) Yes; (ii) No
B. (i) No; (ii) No
C. (i) Yes; (ii) Yes
D. (i) No; (ii) Yes
Answer: B
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Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 14 B. 49 C. 98 D. 7
The temperature T of a potato t minutes after being placed in the oven is given by
.
?
A: Plot the graph of the graph of temperature versus time over the first hour of baking.B: Use the calculator to estimate the value of 
after 15 minutes of baking. Round your answer to two decimal places.C: Use the calculator to estimate the value of 
after 30 minutes of baking. Round your answer to two decimal places.D: Explain in practical terms what the answers from parts B and C tell you about how the potato bakes over time.
What will be an ideal response?
A low pass filter has fCO = 4 KHz. At what frequency will the output be -6 dB?
a. 5 KHz b. 10 KHz c. 40 KHz d. 20 KHz e. 8 KHz
Determine if the following is an identity.tan2x = sec2x - sin2x - cos2x
A. Not an identity B. Identity