Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: D
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Factor out the GCF from the polynomial.5x - 10
A. 5x(-2) B. 5x(x - 2) C. 5(x - 2) D. 5(x - 10)
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(3x - 8)
A. y = cot u; u = 3x - 8; 
= - 3 cot(3x - 8) csc(3x - 8)
B. y = cot u; u = 3x - 8; 
= - csc2(3x - 8)
C. y = 3u - 8; u = cot x; 
= - 3 cot x csc2 x
D. y = cot u; u = 3x - 8; 
= - 3 csc2(3x - 8)
Find the domain and range of the relation.{(-6,9), (3,-5), (5,-3), (1,-2), (7,-8)}
A. D = {-3, -2, -8, 9, -5}; R = {5, 1, 7, -6, 3} B. D = {5, 1, 7, -6, 3}; R = {-3, -2, -8, 9, -5} C. D = {-8, -6, 9, 3, -5}; R = {5, -3, 1, -2, 7} D. D = {5, -3, 1, -2, 7}; R = {-8, -6, 9, 3, -5}
Solve the problem.
Neelima Zafar is married, has a gross weekly salary of $558.44 (all of which is taxable), and the number of withholding allowances she claims is 2. Use the tax tables to find the federal tax withholding to be deducted from her weekly salary.
A. $24 B. $22 C. $21 D. $23