The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).
A. -1 ? x ? 2
B. x ? -1 or x ? 2
C. -1 ? x ? 1
D. x ? 0 or x ? 2
Answer: B
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Determine if the statement is a proportion.I.
II.
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Perform the operation and write the result in the standard form.(7 + 3i)2
A. 58 + 42i B. 58 - 42i C. 40 + 42i D. 40 - 42i
Solve the system of equations.
A. x = 2 - 5z, and y = 3z - 1, where z is any real number
or {(x, y, z) |x = 2 - 5z, and y = 3z - 1, where z is any real number}
B. x = 2 + 7z, and y = -3z - 1, where z is any real number
or {(x, y, z) |x = 2 + 7z, and y = -3z - 1, where z is any real number}
C. x = 1 - 5z, and y = 3z - , where z is any real number
or
D. x = -2 - 7z, and y = -3z -1, where z is any real number
or {(x, y, z) |x = -2 - 7z, and y = -3z -1, where z is any real number}
Divide, if possible. If a quotient is undefined, state so.
A. -11 B. -1 C. 11 D. 55