Solve the equation by making an appropriate substitution.x2/3 - 2x1/3 - 8 = 0
A. {-64, 8}
B. {-2, 4}
C. {-4, 2}
D. {-8, 64}
Answer: D
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
A man awoke to a temperature of 40°F. By the time he arrived at work, the temperature had increased by 11°F. At lunch he noted the temperature had decreased from the temperature when he arrived at work by 12F. Upon arriving home after work, the temperature had decreased another 13°F. What was the temperature when the man arrived home?
A. 76°F B. 26°F C. 52°F D. 15°F E. 4°F
Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = x2 - 6x + 8
A. vertex (-3, 1); axis is x = -3;
x-intercepts are -4 and - 2; y-intercept is -8
B. vertex (3, 1); axis is x = 3;
x-intercepts are 4 and 2; y-intercept is -8
C. vertex (3, -1); axis is x = 3;
x-intercepts are 4 and 2; y-intercept is 8
D. vertex (-3, -1); axis is x = -3;
x-intercepts are -4 and - 2; y-intercept is 8
Evaluate the expression for the given value or values.
for x = 290, y = -5
A. -58
B. 
C. - 
D. 58