Determine if the equation is an identity. = tan x

A. Identity
B. Not an identity


Answer: A

Mathematics

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Write an equivalent sentence for the statement.If the box is in the mail, then it should be here by tomorrow. (Hint: Use the fact that  is equivalent to 

A. If the box is in the mail, then it should not be here by tomorrow. B. The box is not in the mail or it should be here by tomorrow. C. The box is not in the mail and it should not be here by tomorrow. D. The box is in the mail so it should be here by tomorrow.

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Solve the equation.50x = 7(7x - 1)

A. -7 B. 1 C. -1 D. 7

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Express as the logarithm of a single expression. Assume that variables represent positive numbers.(logax - logay) + 5logaz

A. loga 
B. logaxz5y
C. loga
D. loga 

Mathematics

Find an equation that shifts the graph of f by the indicated amounts.f(x) = x2 + 2x - 7; right 4 units, down 15 units

A. y = (x - 4)2 + 2(x - 4) - 22 B. y = (x + 4)2 + 2(x - 4) + 21 C. y = (x + 4)2 + 2(x + 4) - 25 D. y = (x - 4)2 + 2(x + 4) - 22

Mathematics