Solve the following system by any appropriate method. If there is no real number solution, so state.x2 + 6y2 = 7x2 - y2 = 1
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. no real solution
Answer: B
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Solve the problem.Evaluate 
at (x, y, z) = (5, 3, 3) for the function u = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 93 B. 27 C. 33 D. 87
Solve the problem.By walking src="https://sciemce.com/media/4/ppg__rrr0709190917__f1q37g6.jpg" alt="" style="vertical-align: -4.0px;" />
A. 5 hr
B. 3 hr
C. 2 hr
D. 1 hr
for one period of time and 
for another, Roger traveled 
Had he walked 
faster throughout, he would have 
miles. How many hours did he walk at
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = x + 32
B. f-1(x) = 
x + 32
C. f-1(x) = 
(x + 32)
D. f-1(x) = 
(x - 32)
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x + 2| - 4
A. 
B. 
C. 
D. 