Find all the x-values that meet the stated condition.For f(x) = x2 - 2x, find all x-values for which f(x) ? 8.
A. [-2, 4], or {x
-2 ? x ? 4}
B. (-4, 2), or {x
-4 < x < 2}
C. [-4, 2], or {x
-4 ? x ? 2}
D. (-?, -4] ? [2, ?), or {x
x ? -4 or x ? 2}
Answer: A
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Solve the equation by expressing each side as a power of the same base and then equating exponents.8(x - 10)/6 = 
A. 
B. {13}
C. {22}
D. {16}
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 4, y = -3, z = -5, w = 2; (4, -3, -5, 2)
B. x = - 
, y = 
, z = 
, w = - 
; 
C. x = 
, y = - 
, z = - 
, w = 
; 
D. x = -4, y = 3, z = 5, w = -2; (-4, 3, 5, -2)
Solve the problem.A bag contains 5 apples and 3 oranges. If you select 4 pieces of fruit without looking, how many ways can you get 4 oranges?
A. 5 ways B. 15 ways C. 0 ways D. 8 ways