Simplify.-20 + (5 ? 3 + 20) ÷ 5
A. 13
B. -1
C. 9
D. -13
Answer: D
Mathematics
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Using the horizontal-line test, determine whether the function is one-to-one.f(x) = x3 - 5x + 2
A. Yes B. No
Mathematics
Answer the question.True or False: The graph of the equation x + 5y = 0 goes through the origin.
A. True B. False
Mathematics
Simplify the expression. Write with only positive exponents. Assume that variables represent positive real numbers.
A. 1
B. 
C. 66
D. 0
Mathematics
Use the simplex method to solve.Minimize 3x + 2y subject to the following constraints.
What will be an ideal response?
Mathematics