Solve.sin-1 x + tan-1 x = 0
A. x = 0
B. x = ± 
C. x = ± 
D. x = 1
Answer: A
Mathematics
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Is the function graphed one-to-one?
A. No B. Yes
Mathematics
Solve the problem.The revenue from the sale of a product is given by R = 1420x - 17x2 - x3. If the sale of 10 units gives a total revenue of $11,500, use synthetic division to find another number of units that will give $11,500 in revenue.
A. 28 units B. 23 units C. 50 units D. 13 units
Mathematics
Solve the problem.Suppose that P dollars is invested in a savings account at interest rate i, compounded quarterly for 6 months. The amount A in the account after 6 months is given by
.Find an equivalent expression for A.
A. A = P + 
+ 
B. A = P + 
+ 
C. A = P + 
+ 
D. A = P+ 
Mathematics
Solve the equation.-42 - 2x = 12 + 4x
A. 9 B. -7 C. 7 D. -9
Mathematics