Classify the quantity as a constant or a variable.The number of yards in a mile
A. Constant
B. Variable
Answer: A
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For the pair of functions, determine the domain of f + g.f(x) = 2x2 + 9, g(x) = 3x3 - 7
A. (0, ?) B. (-?, 0) or (0, ?) C. (-?, 0) D. (-?, ?)
Identify the equation as either an identity or not.sin 6? tan 3? = 2 sin2 3?
A. Not an identity B. Identity
The algebraic expression has been translated to a word phrase that is ambiguous (unclear). Indicate why the translation is unclear and give a translation that is not ambiguous. 7(x - 9)Translation: seven times x minus nine
A. Mistake: could be translated as 7x - 9 Correct: nine less than seven times x B. Mistake: could be translated as 7 - 9x Correct: nine less than seven times x C. Mistake: could be translated as 7x - 9 Correct: seven times x decreased by nine D. Mistake: could be translated as 7x - 9 Correct: seven times the difference of x and nine
Find the product using the FOIL method.(2n + 3p)(5n + p)
A. 10n2 + 30np + 3p2 B. 20n2 + 17np + 3p2 C. 10n2 + 17np + 3p2 D. 10n + 17np + 3p