Solve the equation by making an appropriate substitution.(x - 5)2 - 2(x - 5) - 15 = 0
A. {-10, -2}
B. {0, 8}
C. {-8, 0}
D. {2, 10}
Answer: D
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Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.cos 4x - sin 2x = 0
A. 0.26, 1.31, 2.36 B. 0.26, 1.31, 2.36, 3.40, 4.45, 5.50 C. 0.26, 1.31, 3.40, 4.45 D. 2.36, 5.50
Give an appropriate answer.Let
f(x) = -3 and
g(x) = 10. Find
[f(x) ? g(x)].
A. 8 B. -30 C. 10 D. 7
Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (4, -8), perpendicular to -4x + 7y = -72
A. y = 
x + 1
B. y = - 
x
C. y = - 
x - 4
D. y = - 
x - 1
Without actually solving the equation, list all possible numbers that would have to be rejected if they appeared as potential solutions. 
= 
A. 0, 18, - 
B. 18, 
C. 18, - 
D. There are no numbers that would have to be rejected.