Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log2(x + 4) = 3
A. {13}
B. {12}
C. {4}
D. {5}
Answer: C
Mathematics
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Write the phrase as an algebraic expression. Let x represent the unknown number.The quotient of a number and 4
A. 
B. 4x
C. 
D. x - 4
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.121 - x2
A. (11 - x)2 B. prime C. (11 + x)2 D. (11 - x)(11 + x)
Mathematics
Decide whether or not the ordered pair is a solution to the equation.y = -5; (-3, 3)
A. Yes B. No
Mathematics
Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(x + 10)(x - 10)
A. x2 + 20x - 100 B. x2 - 100 C. x2 - 20 D. x2 - 20x - 100
Mathematics