Perform the indicated operation. Write the answer in standard form.-6i(-4 + 9i)
A. -54 + 24i
B. 24i + 54i2
C. 24i - 54i2
D. 54 + 24i
Answer: D
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Solve the equation.|x| - 8 = -11
A. {-3} B. {3, -3} C. {3} D. no solution
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x3 - 8x2 - 5x + 6
A. 1, 
, -3; f(x) = (3x - 2)(x - 1)(x + 3)
B. -1, 
, 3; f(x) = (3x - 2)(x - 3)(x + 1)
C. -3, 
, 1; f(x) = (3x - 2)(x - 1)(x + 3)
D. -1, 
, -3; f(x) = (3x - 2)(x - 3)(x + 1)
Write the indicated expression.The smaller of two numbers is 47 less than four times the larger number. Write an expression for the smaller number subtracted from the larger number. Let n represent the larger number.
A. n - (4n - 4?47) B. n - (n - 4?47) C. n - (4n - 47) D. 4n - (n - 47)