Solve the equation.log x + log(x + 1) = log 2
A. {1}
B. 
C. {2}
D. {-1, 2}
Answer: A
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Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 + 6x - 7 = 0
A. no real solution B. repeated real solution C. two unequal real solutions
Sketch the graph of the polynomial function.f(x) = -x4 - 5 
A. 
B. 
C. 
D. 
Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(A) = 30, n(B) = 38, n(C) = 32, n(A ? B) = 6, n(A ? C) = 8, n(B ? C) = 2, 
and 
Find n(U)
A. 84 B. 145 C. 155 D. 114
Use the laws of exponents to simplify the algebraic expression. Your answer should not involve parentheses or negative exponents.(9x)-3/2 Enter your answer as: 
xc/d where a, b, c, and d are integers
What will be an ideal response?