Write the expression in the standard form a + bi.6i(6 - 9i)
A. 36i - 54i2
B. 54+ 36i
C. 36i + 54i2
D. 36i- 54
Answer: B
Mathematics
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Solve the equation by factoring.2x2 - 7x = 0
A. 
B. {0}
C. 
D. 
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 8x3 - 7
A. f-1(x) = 
B. f-1(x) = 
+ 7
C. Not one-to-one
D. f-1(x) = 
Mathematics
Begin by graphing the standard cubic function f(x) = x3. Then use transformations of this graph to graph the given function.g(x) = -x3 - 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 40 units? Round your answer to the nearest hundredth, if necessary.
A. $10.00 B. $0.75 C. $-5.00 D. $15.00
Mathematics